201900625

素因数分解:

$5^4\times {\mathrm{211}}^1\times {\mathrm{1531}}^1$

素因数の和:1762

約数の個数: 20

約数和(自身を含む): 253656304

約数和(自身を除く): 51755679

約数列:

[1, 5, 25, 125, 211, 625, 1055, 1531, 5275, 7655, 26375, 38275, 131875, 191375, 323041, 956875, 1615205, 8076025, 40380125, 201900625]

約数ペア:

[(1, 201900625), (5, 40380125), (25, 8076025), (125, 1615205), (211, 956875), (625, 323041), (1055, 191375), (1531, 131875), (5275, 38275), (7655, 26375)]