131437360

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{16267}}^1$

素因数の和:16381

約数の個数: 40

約数和(自身を含む): 308636496

約数和(自身を除く): 177199136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 16267, 32534, 65068, 81335, 130136, 162670, 260272, 325340, 650680, 1301360, 1642967, 3285934, 6571868, 8214835, 13143736, 16429670, 26287472, 32859340, 65718680, 131437360]

約数ペア:

[(1, 131437360), (2, 65718680), (4, 32859340), (5, 26287472), (8, 16429670), (10, 13143736), (16, 8214835), (20, 6571868), (40, 3285934), (80, 1642967), (101, 1301360), (202, 650680), (404, 325340), (505, 260272), (808, 162670), (1010, 130136), (1616, 81335), (2020, 65068), (4040, 32534), (8080, 16267)]