64795240

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{15727}}^1$

素因数の和:15841

約数の個数: 32

約数和(自身を含む): 147214080

約数和(自身を除く): 82418840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 15727, 31454, 62908, 78635, 125816, 157270, 314540, 629080, 1619881, 3239762, 6479524, 8099405, 12959048, 16198810, 32397620, 64795240]

約数ペア:

[(1, 64795240), (2, 32397620), (4, 16198810), (5, 12959048), (8, 8099405), (10, 6479524), (20, 3239762), (40, 1619881), (103, 629080), (206, 314540), (412, 157270), (515, 125816), (824, 78635), (1030, 62908), (2060, 31454), (4120, 15727)]