64223840

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5081}}^1$

素因数の和:5175

約数の個数: 48

約数和(自身を含む): 153679680

約数和(自身を除く): 89455840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 5081, 6320, 10162, 12640, 20324, 25405, 40648, 50810, 81296, 101620, 162592, 203240, 401399, 406480, 802798, 812960, 1605596, 2006995, 3211192, 4013990, 6422384, 8027980, 12844768, 16055960, 32111920, 64223840]

約数ペア:

[(1, 64223840), (2, 32111920), (4, 16055960), (5, 12844768), (8, 8027980), (10, 6422384), (16, 4013990), (20, 3211192), (32, 2006995), (40, 1605596), (79, 812960), (80, 802798), (158, 406480), (160, 401399), (316, 203240), (395, 162592), (632, 101620), (790, 81296), (1264, 50810), (1580, 40648), (2528, 25405), (3160, 20324), (5081, 12640), (6320, 10162)]