64069820

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{11821}}^1$

素因数の和:12101

約数の個数: 24

約数和(自身を含む): 135054528

約数和(自身を除く): 70984708

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 11821, 23642, 47284, 59105, 118210, 236420, 3203491, 6406982, 12813964, 16017455, 32034910, 64069820]

約数ペア:

[(1, 64069820), (2, 32034910), (4, 16017455), (5, 12813964), (10, 6406982), (20, 3203491), (271, 236420), (542, 118210), (1084, 59105), (1355, 47284), (2710, 23642), (5420, 11821)]