201871760

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{24499}}^1$

素因数の和:24615

約数の個数: 40

約数和(自身を含む): 473928000

約数和(自身を除く): 272056240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 24499, 48998, 97996, 122495, 195992, 244990, 391984, 489980, 979960, 1959920, 2523397, 5046794, 10093588, 12616985, 20187176, 25233970, 40374352, 50467940, 100935880, 201871760]

約数ペア:

[(1, 201871760), (2, 100935880), (4, 50467940), (5, 40374352), (8, 25233970), (10, 20187176), (16, 12616985), (20, 10093588), (40, 5046794), (80, 2523397), (103, 1959920), (206, 979960), (412, 489980), (515, 391984), (824, 244990), (1030, 195992), (1648, 122495), (2060, 97996), (4120, 48998), (8240, 24499)]