47478280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{69821}}^1$

素因数の和:69849

約数の個数: 32

約数和(自身を含む): 113111640

約数和(自身を除く): 65633360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 69821, 139642, 279284, 349105, 558568, 698210, 1186957, 1396420, 2373914, 2792840, 4747828, 5934785, 9495656, 11869570, 23739140, 47478280]

約数ペア:

[(1, 47478280), (2, 23739140), (4, 11869570), (5, 9495656), (8, 5934785), (10, 4747828), (17, 2792840), (20, 2373914), (34, 1396420), (40, 1186957), (68, 698210), (85, 558568), (136, 349105), (170, 279284), (340, 139642), (680, 69821)]