1266408020

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{223747}}^1$

素因数の和:224039

約数の個数: 24

約数和(自身を含む): 2668866144

約数和(自身を除く): 1402458124

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 5660, 223747, 447494, 894988, 1118735, 2237470, 4474940, 63320401, 126640802, 253281604, 316602005, 633204010, 1266408020]

約数ペア:

[(1, 1266408020), (2, 633204010), (4, 316602005), (5, 253281604), (10, 126640802), (20, 63320401), (283, 4474940), (566, 2237470), (1132, 1118735), (1415, 894988), (2830, 447494), (5660, 223747)]