51700480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 108

約数和(自身を含む): 134658720

約数和(自身を除く): 82958240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 239, 256, 260, 320, 338, 416, 478, 520, 640, 676, 832, 845, 956, 1040, 1195, 1280, 1352, 1664, 1690, 1912, 2080, 2390, 2704, 3107, 3328, 3380, 3824, 4160, 4780, 5408, 6214, 6760, 7648, 8320, 9560, 10816, 12428, 13520, 15296, 15535, 16640, 19120, 21632, 24856, 27040, 30592, 31070, 38240, 40391, 43264, 49712, 54080, 61184, 62140, 76480, 80782, 99424, 108160, 124280, 152960, 161564, 198848, 201955, 216320, 248560, 305920, 323128, 397696, 403910, 497120, 646256, 795392, 807820, 994240, 1292512, 1615640, 1988480, 2585024, 3231280, 3976960, 5170048, 6462560, 10340096, 12925120, 25850240, 51700480]

約数ペア:

[(1, 51700480), (2, 25850240), (4, 12925120), (5, 10340096), (8, 6462560), (10, 5170048), (13, 3976960), (16, 3231280), (20, 2585024), (26, 1988480), (32, 1615640), (40, 1292512), (52, 994240), (64, 807820), (65, 795392), (80, 646256), (104, 497120), (128, 403910), (130, 397696), (160, 323128), (169, 305920), (208, 248560), (239, 216320), (256, 201955), (260, 198848), (320, 161564), (338, 152960), (416, 124280), (478, 108160), (520, 99424), (640, 80782), (676, 76480), (832, 62140), (845, 61184), (956, 54080), (1040, 49712), (1195, 43264), (1280, 40391), (1352, 38240), (1664, 31070), (1690, 30592), (1912, 27040), (2080, 24856), (2390, 21632), (2704, 19120), (3107, 16640), (3328, 15535), (3380, 15296), (3824, 13520), (4160, 12428), (4780, 10816), (5408, 9560), (6214, 8320), (6760, 7648)]