16800000080

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1160221}}^1$

素因数の和:1160415

約数の個数: 40

約数和(自身を含む): 39275835144

約数和(自身を除く): 22475835064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 14480, 1160221, 2320442, 4640884, 5801105, 9281768, 11602210, 18563536, 23204420, 46408840, 92817680, 210000001, 420000002, 840000004, 1050000005, 1680000008, 2100000010, 3360000016, 4200000020, 8400000040, 16800000080]

約数ペア:

[(1, 16800000080), (2, 8400000040), (4, 4200000020), (5, 3360000016), (8, 2100000010), (10, 1680000008), (16, 1050000005), (20, 840000004), (40, 420000002), (80, 210000001), (181, 92817680), (362, 46408840), (724, 23204420), (905, 18563536), (1448, 11602210), (1810, 9281768), (2896, 5801105), (3620, 4640884), (7240, 2320442), (14480, 1160221)]