4135625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:542

約数の個数: 20

約数和(自身を含む): 5576340

約数和(自身を除く): 1440715

約数列:

[1, 5, 13, 25, 65, 125, 325, 509, 625, 1625, 2545, 6617, 8125, 12725, 33085, 63625, 165425, 318125, 827125, 4135625]

約数ペア:

[(1, 4135625), (5, 827125), (13, 318125), (25, 165425), (65, 63625), (125, 33085), (325, 12725), (509, 8125), (625, 6617), (1625, 2545)]