1568125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:226

約数の個数: 20

約数和(自身を含む): 2121196

約数和(自身を除く): 553071

約数列:

[1, 5, 13, 25, 65, 125, 193, 325, 625, 965, 1625, 2509, 4825, 8125, 12545, 24125, 62725, 120625, 313625, 1568125]

約数ペア:

[(1, 1568125), (5, 313625), (13, 120625), (25, 62725), (65, 24125), (125, 12545), (193, 8125), (325, 4825), (625, 2509), (965, 1625)]