31151840

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1723}}^1$

素因数の和:1851

約数の個数: 48

約数和(自身を含む): 74290608

約数和(自身を除く): 43138768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1130, 1723, 1808, 2260, 3446, 3616, 4520, 6892, 8615, 9040, 13784, 17230, 18080, 27568, 34460, 55136, 68920, 137840, 194699, 275680, 389398, 778796, 973495, 1557592, 1946990, 3115184, 3893980, 6230368, 7787960, 15575920, 31151840]

約数ペア:

[(1, 31151840), (2, 15575920), (4, 7787960), (5, 6230368), (8, 3893980), (10, 3115184), (16, 1946990), (20, 1557592), (32, 973495), (40, 778796), (80, 389398), (113, 275680), (160, 194699), (226, 137840), (452, 68920), (565, 55136), (904, 34460), (1130, 27568), (1723, 18080), (1808, 17230), (2260, 13784), (3446, 9040), (3616, 8615), (4520, 6892)]