2078990125

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{723127}}^1$

素因数の和:723165

約数の個数: 16

約数和(自身を含む): 2707391232

約数和(自身を除く): 628401107

約数列:

[1, 5, 23, 25, 115, 125, 575, 2875, 723127, 3615635, 16631921, 18078175, 83159605, 90390875, 415798025, 2078990125]

約数ペア:

[(1, 2078990125), (5, 415798025), (23, 90390875), (25, 83159605), (115, 18078175), (125, 16631921), (575, 3615635), (2875, 723127)]