71425640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12487}}^1$

素因数の和:12522

約数の個数: 64

約数和(自身を含む): 188818560

約数和(自身を除く): 117392920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 12487, 24974, 49948, 62435, 99896, 124870, 137357, 162331, 249740, 274714, 324662, 499480, 549428, 649324, 686785, 811655, 1098856, 1298648, 1373570, 1623310, 1785641, 2747140, 3246620, 3571282, 5494280, 6493240, 7142564, 8928205, 14285128, 17856410, 35712820, 71425640]

約数ペア:

[(1, 71425640), (2, 35712820), (4, 17856410), (5, 14285128), (8, 8928205), (10, 7142564), (11, 6493240), (13, 5494280), (20, 3571282), (22, 3246620), (26, 2747140), (40, 1785641), (44, 1623310), (52, 1373570), (55, 1298648), (65, 1098856), (88, 811655), (104, 686785), (110, 649324), (130, 549428), (143, 499480), (220, 324662), (260, 274714), (286, 249740), (440, 162331), (520, 137357), (572, 124870), (715, 99896), (1144, 62435), (1430, 49948), (2860, 24974), (5720, 12487)]