1860625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:262

約数の個数: 20

約数和(自身を含む): 2514820

約数和(自身を除く): 654195

約数列:

[1, 5, 13, 25, 65, 125, 229, 325, 625, 1145, 1625, 2977, 5725, 8125, 14885, 28625, 74425, 143125, 372125, 1860625]

約数ペア:

[(1, 1860625), (5, 372125), (13, 143125), (25, 74425), (65, 28625), (125, 14885), (229, 8125), (325, 5725), (625, 2977), (1145, 1625)]