51489080

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2311}}^1$

素因数の和:2879

約数の個数: 32

約数和(自身を含む): 116108640

約数和(自身を除く): 64619560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2311, 2785, 4456, 4622, 5570, 9244, 11140, 11555, 18488, 22280, 23110, 46220, 92440, 1287227, 2574454, 5148908, 6436135, 10297816, 12872270, 25744540, 51489080]

約数ペア:

[(1, 51489080), (2, 25744540), (4, 12872270), (5, 10297816), (8, 6436135), (10, 5148908), (20, 2574454), (40, 1287227), (557, 92440), (1114, 46220), (2228, 23110), (2311, 22280), (2785, 18488), (4456, 11555), (4622, 11140), (5570, 9244)]