64631360

素因数分解:

$2^6\times 5^1\times {\mathrm{201973}}^1$

素因数の和:201990

約数の個数: 28

約数和(自身を含む): 153904188

約数和(自身を除く): 89272828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 201973, 403946, 807892, 1009865, 1615784, 2019730, 3231568, 4039460, 6463136, 8078920, 12926272, 16157840, 32315680, 64631360]

約数ペア:

[(1, 64631360), (2, 32315680), (4, 16157840), (5, 12926272), (8, 8078920), (10, 6463136), (16, 4039460), (20, 3231568), (32, 2019730), (40, 1615784), (64, 1009865), (80, 807892), (160, 403946), (320, 201973)]