31739440

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3511}}^1$

素因数の和:3637

約数の個数: 40

約数和(自身を含む): 74468448

約数和(自身を除く): 42729008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 3511, 4520, 7022, 9040, 14044, 17555, 28088, 35110, 56176, 70220, 140440, 280880, 396743, 793486, 1586972, 1983715, 3173944, 3967430, 6347888, 7934860, 15869720, 31739440]

約数ペア:

[(1, 31739440), (2, 15869720), (4, 7934860), (5, 6347888), (8, 3967430), (10, 3173944), (16, 1983715), (20, 1586972), (40, 793486), (80, 396743), (113, 280880), (226, 140440), (452, 70220), (565, 56176), (904, 35110), (1130, 28088), (1808, 17555), (2260, 14044), (3511, 9040), (4520, 7022)]