64871860

素因数分解:

$2^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{13921}}^1$

素因数の和:14163

約数の個数: 24

約数和(自身を含む): 136825416

約数和(自身を除く): 71953556

約数列:

[1, 2, 4, 5, 10, 20, 233, 466, 932, 1165, 2330, 4660, 13921, 27842, 55684, 69605, 139210, 278420, 3243593, 6487186, 12974372, 16217965, 32435930, 64871860]

約数ペア:

[(1, 64871860), (2, 32435930), (4, 16217965), (5, 12974372), (10, 6487186), (20, 3243593), (233, 278420), (466, 139210), (932, 69605), (1165, 55684), (2330, 27842), (4660, 13921)]