420642772040

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{49839191}}^1$

素因数の和:49839413

約数の個数: 32

約数和(自身を含む): 950931783360

約数和(自身を除く): 530289011320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 49839191, 99678382, 199356764, 249195955, 398713528, 498391910, 996783820, 1993567640, 10516069301, 21032138602, 42064277204, 52580346505, 84128554408, 105160693010, 210321386020, 420642772040]

約数ペア:

[(1, 420642772040), (2, 210321386020), (4, 105160693010), (5, 84128554408), (8, 52580346505), (10, 42064277204), (20, 21032138602), (40, 10516069301), (211, 1993567640), (422, 996783820), (844, 498391910), (1055, 398713528), (1688, 249195955), (2110, 199356764), (4220, 99678382), (8440, 49839191)]