39966767360

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{77479}}^1$

素因数の和:77544

約数の個数: 144

約数和(自身を含む): 106424048640

約数和(自身を除く): 66457281280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 3224, 3328, 3968, 4030, 4160, 4960, 6448, 7936, 8060, 8320, 9920, 12896, 16120, 16640, 19840, 25792, 32240, 39680, 51584, 64480, 77479, 103168, 128960, 154958, 257920, 309916, 387395, 515840, 619832, 774790, 1007227, 1239664, 1549580, 2014454, 2401849, 2479328, 3099160, 4028908, 4803698, 4958656, 5036135, 6198320, 8057816, 9607396, 9917312, 10072270, 12009245, 12396640, 16115632, 19214792, 19834624, 20144540, 24018490, 24793280, 31224037, 32231264, 38429584, 40289080, 48036980, 49586560, 62448074, 64462528, 76859168, 80578160, 96073960, 99173120, 124896148, 128925056, 153718336, 156120185, 161156320, 192147920, 249792296, 257850112, 307436672, 312240370, 322312640, 384295840, 499584592, 614873344, 624480740, 644625280, 768591680, 999169184, 1248961480, 1289250560, 1537183360, 1998338368, 2497922960, 3074366720, 3996676736, 4995845920, 7993353472, 9991691840, 19983383680, 39966767360]

約数ペア:

[(1, 39966767360), (2, 19983383680), (4, 9991691840), (5, 7993353472), (8, 4995845920), (10, 3996676736), (13, 3074366720), (16, 2497922960), (20, 1998338368), (26, 1537183360), (31, 1289250560), (32, 1248961480), (40, 999169184), (52, 768591680), (62, 644625280), (64, 624480740), (65, 614873344), (80, 499584592), (104, 384295840), (124, 322312640), (128, 312240370), (130, 307436672), (155, 257850112), (160, 249792296), (208, 192147920), (248, 161156320), (256, 156120185), (260, 153718336), (310, 128925056), (320, 124896148), (403, 99173120), (416, 96073960), (496, 80578160), (520, 76859168), (620, 64462528), (640, 62448074), (806, 49586560), (832, 48036980), (992, 40289080), (1040, 38429584), (1240, 32231264), (1280, 31224037), (1612, 24793280), (1664, 24018490), (1984, 20144540), (2015, 19834624), (2080, 19214792), (2480, 16115632), (3224, 12396640), (3328, 12009245), (3968, 10072270), (4030, 9917312), (4160, 9607396), (4960, 8057816), (6448, 6198320), (7936, 5036135), (8060, 4958656), (8320, 4803698), (9920, 4028908), (12896, 3099160), (16120, 2479328), (16640, 2401849), (19840, 2014454), (25792, 1549580), (32240, 1239664), (39680, 1007227), (51584, 774790), (64480, 619832), (77479, 515840), (103168, 387395), (128960, 309916), (154958, 257920)]