64380340

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{11621}}^1$

素因数の和:11907

約数の個数: 24

約数和(自身を含む): 135698472

約数和(自身を除く): 71318132

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 11621, 23242, 46484, 58105, 116210, 232420, 3219017, 6438034, 12876068, 16095085, 32190170, 64380340]

約数ペア:

[(1, 64380340), (2, 32190170), (4, 16095085), (5, 12876068), (10, 6438034), (20, 3219017), (277, 232420), (554, 116210), (1108, 58105), (1385, 46484), (2770, 23242), (5540, 11621)]