20008160

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5437}}^1$

素因数の和:5475

約数の個数: 48

約数和(自身を含む): 49333536

約数和(自身を除く): 29325376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5437, 10874, 21748, 27185, 43496, 54370, 86992, 108740, 125051, 173984, 217480, 250102, 434960, 500204, 625255, 869920, 1000408, 1250510, 2000816, 2501020, 4001632, 5002040, 10004080, 20008160]

約数ペア:

[(1, 20008160), (2, 10004080), (4, 5002040), (5, 4001632), (8, 2501020), (10, 2000816), (16, 1250510), (20, 1000408), (23, 869920), (32, 625255), (40, 500204), (46, 434960), (80, 250102), (92, 217480), (115, 173984), (160, 125051), (184, 108740), (230, 86992), (368, 54370), (460, 43496), (736, 27185), (920, 21748), (1840, 10874), (3680, 5437)]