631360

素因数分解:

$2^6\times 5^1\times {\mathrm{1973}}^1$

素因数の和:1990

約数の個数: 28

約数和(自身を含む): 1504188

約数和(自身を除く): 872828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1973, 3946, 7892, 9865, 15784, 19730, 31568, 39460, 63136, 78920, 126272, 157840, 315680, 631360]

約数ペア:

[(1, 631360), (2, 315680), (4, 157840), (5, 126272), (8, 78920), (10, 63136), (16, 39460), (20, 31568), (32, 19730), (40, 15784), (64, 9865), (80, 7892), (160, 3946), (320, 1973)]