18180348520

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4022201}}^1$

素因数の和:4022325

約数の個数: 32

約数和(自身を含む): 41267792520

約数和(自身を除く): 23087444000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 4022201, 8044402, 16088804, 20111005, 32177608, 40222010, 80444020, 160888040, 454508713, 909017426, 1818034852, 2272543565, 3636069704, 4545087130, 9090174260, 18180348520]

約数ペア:

[(1, 18180348520), (2, 9090174260), (4, 4545087130), (5, 3636069704), (8, 2272543565), (10, 1818034852), (20, 909017426), (40, 454508713), (113, 160888040), (226, 80444020), (452, 40222010), (565, 32177608), (904, 20111005), (1130, 16088804), (2260, 8044402), (4520, 4022201)]