57447640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{281}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 137052000

約数和(自身を除く): 79604360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 269, 281, 380, 538, 562, 760, 1076, 1124, 1345, 1405, 2152, 2248, 2690, 2810, 5111, 5339, 5380, 5620, 10222, 10678, 10760, 11240, 20444, 21356, 25555, 26695, 40888, 42712, 51110, 53390, 75589, 102220, 106780, 151178, 204440, 213560, 302356, 377945, 604712, 755890, 1436191, 1511780, 2872382, 3023560, 5744764, 7180955, 11489528, 14361910, 28723820, 57447640]

約数ペア:

[(1, 57447640), (2, 28723820), (4, 14361910), (5, 11489528), (8, 7180955), (10, 5744764), (19, 3023560), (20, 2872382), (38, 1511780), (40, 1436191), (76, 755890), (95, 604712), (152, 377945), (190, 302356), (269, 213560), (281, 204440), (380, 151178), (538, 106780), (562, 102220), (760, 75589), (1076, 53390), (1124, 51110), (1345, 42712), (1405, 40888), (2152, 26695), (2248, 25555), (2690, 21356), (2810, 20444), (5111, 11240), (5339, 10760), (5380, 10678), (5620, 10222)]