135759920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{21481}}^1$

素因数の和:21573

約数の個数: 40

約数和(自身を含む): 319652160

約数和(自身を除く): 183892240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 21481, 42962, 85924, 107405, 171848, 214810, 343696, 429620, 859240, 1696999, 1718480, 3393998, 6787996, 8484995, 13575992, 16969990, 27151984, 33939980, 67879960, 135759920]

約数ペア:

[(1, 135759920), (2, 67879960), (4, 33939980), (5, 27151984), (8, 16969990), (10, 13575992), (16, 8484995), (20, 6787996), (40, 3393998), (79, 1718480), (80, 1696999), (158, 859240), (316, 429620), (395, 343696), (632, 214810), (790, 171848), (1264, 107405), (1580, 85924), (3160, 42962), (6320, 21481)]