63393640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25981}}^1$

素因数の和:26053

約数の個数: 32

約数和(自身を含む): 144979560

約数和(自身を除く): 81585920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 25981, 51962, 103924, 129905, 207848, 259810, 519620, 1039240, 1584841, 3169682, 6339364, 7924205, 12678728, 15848410, 31696820, 63393640]

約数ペア:

[(1, 63393640), (2, 31696820), (4, 15848410), (5, 12678728), (8, 7924205), (10, 6339364), (20, 3169682), (40, 1584841), (61, 1039240), (122, 519620), (244, 259810), (305, 207848), (488, 129905), (610, 103924), (1220, 51962), (2440, 25981)]