9872620

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1231}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 20801088

約数和(自身を除く): 10928468

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1231, 1604, 2005, 2462, 4010, 4924, 6155, 8020, 12310, 24620, 493631, 987262, 1974524, 2468155, 4936310, 9872620]

約数ペア:

[(1, 9872620), (2, 4936310), (4, 2468155), (5, 1974524), (10, 987262), (20, 493631), (401, 24620), (802, 12310), (1231, 8020), (1604, 6155), (2005, 4924), (2462, 4010)]