39618280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1249}}^1$

素因数の和:1334

約数の個数: 64

約数和(自身を含む): 97650000

約数和(自身を除く): 58031720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1249, 1586, 2440, 2498, 3172, 3965, 4996, 6245, 6344, 7930, 9992, 12490, 15860, 16237, 24980, 31720, 32474, 49960, 64948, 76189, 81185, 129896, 152378, 162370, 304756, 324740, 380945, 609512, 649480, 761890, 990457, 1523780, 1980914, 3047560, 3961828, 4952285, 7923656, 9904570, 19809140, 39618280]

約数ペア:

[(1, 39618280), (2, 19809140), (4, 9904570), (5, 7923656), (8, 4952285), (10, 3961828), (13, 3047560), (20, 1980914), (26, 1523780), (40, 990457), (52, 761890), (61, 649480), (65, 609512), (104, 380945), (122, 324740), (130, 304756), (244, 162370), (260, 152378), (305, 129896), (488, 81185), (520, 76189), (610, 64948), (793, 49960), (1220, 32474), (1249, 31720), (1586, 24980), (2440, 16237), (2498, 15860), (3172, 12490), (3965, 9992), (4996, 7930), (6245, 6344)]