31696820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25981}}^1$

素因数の和:26051

約数の個数: 24

約数和(自身を含む): 67657128

約数和(自身を除く): 35960308

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 25981, 51962, 103924, 129905, 259810, 519620, 1584841, 3169682, 6339364, 7924205, 15848410, 31696820]

約数ペア:

[(1, 31696820), (2, 15848410), (4, 7924205), (5, 6339364), (10, 3169682), (20, 1584841), (61, 519620), (122, 259810), (244, 129905), (305, 103924), (610, 51962), (1220, 25981)]