87401080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9887}}^1$

素因数の和:9928

約数の個数: 64

約数和(自身を含む): 224259840

約数和(自身を除く): 136858760

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 9887, 19774, 39548, 49435, 79096, 98870, 128531, 168079, 197740, 257062, 336158, 395480, 514124, 642655, 672316, 840395, 1028248, 1285310, 1344632, 1680790, 2185027, 2570620, 3361580, 4370054, 5141240, 6723160, 8740108, 10925135, 17480216, 21850270, 43700540, 87401080]

約数ペア:

[(1, 87401080), (2, 43700540), (4, 21850270), (5, 17480216), (8, 10925135), (10, 8740108), (13, 6723160), (17, 5141240), (20, 4370054), (26, 3361580), (34, 2570620), (40, 2185027), (52, 1680790), (65, 1344632), (68, 1285310), (85, 1028248), (104, 840395), (130, 672316), (136, 642655), (170, 514124), (221, 395480), (260, 336158), (340, 257062), (442, 197740), (520, 168079), (680, 128531), (884, 98870), (1105, 79096), (1768, 49435), (2210, 39548), (4420, 19774), (8840, 9887)]