39397280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 144

約数和(自身を含む): 106251264

約数和(自身を除く): 66853984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 47, 52, 62, 65, 80, 94, 104, 124, 130, 155, 160, 169, 188, 208, 235, 248, 260, 310, 338, 376, 403, 416, 470, 496, 520, 611, 620, 676, 752, 806, 845, 940, 992, 1040, 1222, 1240, 1352, 1457, 1504, 1612, 1690, 1880, 2015, 2080, 2444, 2480, 2704, 2914, 3055, 3224, 3380, 3760, 4030, 4888, 4960, 5239, 5408, 5828, 6110, 6448, 6760, 7285, 7520, 7943, 8060, 9776, 10478, 11656, 12220, 12896, 13520, 14570, 15886, 16120, 18941, 19552, 20956, 23312, 24440, 26195, 27040, 29140, 31772, 32240, 37882, 39715, 41912, 46624, 48880, 52390, 58280, 63544, 64480, 75764, 79430, 83824, 94705, 97760, 104780, 116560, 127088, 151528, 158860, 167648, 189410, 209560, 233120, 246233, 254176, 303056, 317720, 378820, 419120, 492466, 606112, 635440, 757640, 838240, 984932, 1231165, 1270880, 1515280, 1969864, 2462330, 3030560, 3939728, 4924660, 7879456, 9849320, 19698640, 39397280]

約数ペア:

[(1, 39397280), (2, 19698640), (4, 9849320), (5, 7879456), (8, 4924660), (10, 3939728), (13, 3030560), (16, 2462330), (20, 1969864), (26, 1515280), (31, 1270880), (32, 1231165), (40, 984932), (47, 838240), (52, 757640), (62, 635440), (65, 606112), (80, 492466), (94, 419120), (104, 378820), (124, 317720), (130, 303056), (155, 254176), (160, 246233), (169, 233120), (188, 209560), (208, 189410), (235, 167648), (248, 158860), (260, 151528), (310, 127088), (338, 116560), (376, 104780), (403, 97760), (416, 94705), (470, 83824), (496, 79430), (520, 75764), (611, 64480), (620, 63544), (676, 58280), (752, 52390), (806, 48880), (845, 46624), (940, 41912), (992, 39715), (1040, 37882), (1222, 32240), (1240, 31772), (1352, 29140), (1457, 27040), (1504, 26195), (1612, 24440), (1690, 23312), (1880, 20956), (2015, 19552), (2080, 18941), (2444, 16120), (2480, 15886), (2704, 14570), (2914, 13520), (3055, 12896), (3224, 12220), (3380, 11656), (3760, 10478), (4030, 9776), (4888, 8060), (4960, 7943), (5239, 7520), (5408, 7285), (5828, 6760), (6110, 6448)]