64193480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{123449}}^1$

素因数の和:123473

約数の個数: 32

約数和(自身を含む): 155547000

約数和(自身を除く): 91353520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 123449, 246898, 493796, 617245, 987592, 1234490, 1604837, 2468980, 3209674, 4937960, 6419348, 8024185, 12838696, 16048370, 32096740, 64193480]

約数ペア:

[(1, 64193480), (2, 32096740), (4, 16048370), (5, 12838696), (8, 8024185), (10, 6419348), (13, 4937960), (20, 3209674), (26, 2468980), (40, 1604837), (52, 1234490), (65, 987592), (104, 617245), (130, 493796), (260, 246898), (520, 123449)]