17880080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4217}}^1$

素因数の和:4283

約数の個数: 40

約数和(自身を含む): 42365592

約数和(自身を除く): 24485512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4217, 4240, 8434, 16868, 21085, 33736, 42170, 67472, 84340, 168680, 223501, 337360, 447002, 894004, 1117505, 1788008, 2235010, 3576016, 4470020, 8940040, 17880080]

約数ペア:

[(1, 17880080), (2, 8940040), (4, 4470020), (5, 3576016), (8, 2235010), (10, 1788008), (16, 1117505), (20, 894004), (40, 447002), (53, 337360), (80, 223501), (106, 168680), (212, 84340), (265, 67472), (424, 42170), (530, 33736), (848, 21085), (1060, 16868), (2120, 8434), (4217, 4240)]