31138420

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{2221}}^1$

素因数の和:2931

約数の個数: 24

約数和(自身を含む): 65513448

約数和(自身を除く): 34375028

約数列:

[1, 2, 4, 5, 10, 20, 701, 1402, 2221, 2804, 3505, 4442, 7010, 8884, 11105, 14020, 22210, 44420, 1556921, 3113842, 6227684, 7784605, 15569210, 31138420]

約数ペア:

[(1, 31138420), (2, 15569210), (4, 7784605), (5, 6227684), (10, 3113842), (20, 1556921), (701, 44420), (1402, 22210), (2221, 14020), (2804, 11105), (3505, 8884), (4442, 7010)]