31457120

素因数分解:

$2^5\times 5^1\times {\mathrm{421}}^1\times {\mathrm{467}}^1$

素因数の和:903

約数の個数: 48

約数和(自身を含む): 74653488

約数和(自身を除く): 43196368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 421, 467, 842, 934, 1684, 1868, 2105, 2335, 3368, 3736, 4210, 4670, 6736, 7472, 8420, 9340, 13472, 14944, 16840, 18680, 33680, 37360, 67360, 74720, 196607, 393214, 786428, 983035, 1572856, 1966070, 3145712, 3932140, 6291424, 7864280, 15728560, 31457120]

約数ペア:

[(1, 31457120), (2, 15728560), (4, 7864280), (5, 6291424), (8, 3932140), (10, 3145712), (16, 1966070), (20, 1572856), (32, 983035), (40, 786428), (80, 393214), (160, 196607), (421, 74720), (467, 67360), (842, 37360), (934, 33680), (1684, 18680), (1868, 16840), (2105, 14944), (2335, 13472), (3368, 9340), (3736, 8420), (4210, 7472), (4670, 6736)]