64495640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{146581}}^1$

素因数の和:146603

約数の個数: 32

約数和(自身を含む): 158308560

約数和(自身を除く): 93812920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 146581, 293162, 586324, 732905, 1172648, 1465810, 1612391, 2931620, 3224782, 5863240, 6449564, 8061955, 12899128, 16123910, 32247820, 64495640]

約数ペア:

[(1, 64495640), (2, 32247820), (4, 16123910), (5, 12899128), (8, 8061955), (10, 6449564), (11, 5863240), (20, 3224782), (22, 2931620), (40, 1612391), (44, 1465810), (55, 1172648), (88, 732905), (110, 586324), (220, 293162), (440, 146581)]