131712080

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{16301}}^1$

素因数の和:16415

約数の個数: 40

約数和(自身を含む): 309281544

約数和(自身を除く): 177569464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 16301, 32602, 65204, 81505, 130408, 163010, 260816, 326020, 652040, 1304080, 1646401, 3292802, 6585604, 8232005, 13171208, 16464010, 26342416, 32928020, 65856040, 131712080]

約数ペア:

[(1, 131712080), (2, 65856040), (4, 32928020), (5, 26342416), (8, 16464010), (10, 13171208), (16, 8232005), (20, 6585604), (40, 3292802), (80, 1646401), (101, 1304080), (202, 652040), (404, 326020), (505, 260816), (808, 163010), (1010, 130408), (1616, 81505), (2020, 65204), (4040, 32602), (8080, 16301)]