1373125

素因数分解:

$5^4\times {\mathrm{13}}^3$

素因数の和:59

約数の個数: 20

約数和(自身を含む): 1858780

約数和(自身を除く): 485655

約数列:

[1, 5, 13, 25, 65, 125, 169, 325, 625, 845, 1625, 2197, 4225, 8125, 10985, 21125, 54925, 105625, 274625, 1373125]

約数ペア:

[(1, 1373125), (5, 274625), (13, 105625), (25, 54925), (65, 21125), (125, 10985), (169, 8125), (325, 4225), (625, 2197), (845, 1625)]