13300625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1670

約数の個数: 20

約数和(自身を含む): 17909892

約数和(自身を除く): 4609267

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 1637, 8125, 8185, 21281, 40925, 106405, 204625, 532025, 1023125, 2660125, 13300625]

約数ペア:

[(1, 13300625), (5, 2660125), (13, 1023125), (25, 532025), (65, 204625), (125, 106405), (325, 40925), (625, 21281), (1625, 8185), (1637, 8125)]