18710800

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1613}}^1$

素因数の和:1660

約数の個数: 60

約数和(自身を含む): 46531620

約数和(自身を除く): 27820820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 145, 200, 232, 290, 400, 464, 580, 725, 1160, 1450, 1613, 2320, 2900, 3226, 5800, 6452, 8065, 11600, 12904, 16130, 25808, 32260, 40325, 46777, 64520, 80650, 93554, 129040, 161300, 187108, 233885, 322600, 374216, 467770, 645200, 748432, 935540, 1169425, 1871080, 2338850, 3742160, 4677700, 9355400, 18710800]

約数ペア:

[(1, 18710800), (2, 9355400), (4, 4677700), (5, 3742160), (8, 2338850), (10, 1871080), (16, 1169425), (20, 935540), (25, 748432), (29, 645200), (40, 467770), (50, 374216), (58, 322600), (80, 233885), (100, 187108), (116, 161300), (145, 129040), (200, 93554), (232, 80650), (290, 64520), (400, 46777), (464, 40325), (580, 32260), (725, 25808), (1160, 16130), (1450, 12904), (1613, 11600), (2320, 8065), (2900, 6452), (3226, 5800)]