67879960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{21481}}^1$

素因数の和:21571

約数の個数: 32

約数和(自身を含む): 154670400

約数和(自身を除く): 86790440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 21481, 42962, 85924, 107405, 171848, 214810, 429620, 859240, 1696999, 3393998, 6787996, 8484995, 13575992, 16969990, 33939980, 67879960]

約数ペア:

[(1, 67879960), (2, 33939980), (4, 16969990), (5, 13575992), (8, 8484995), (10, 6787996), (20, 3393998), (40, 1696999), (79, 859240), (158, 429620), (316, 214810), (395, 171848), (632, 107405), (790, 85924), (1580, 42962), (3160, 21481)]