25251250

素因数分解:

$2^1\times 5^4\times {\mathrm{20201}}^1$

素因数の和:20223

約数の個数: 20

約数和(自身を含む): 47333286

約数和(自身を除く): 22082036

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 20201, 40402, 101005, 202010, 505025, 1010050, 2525125, 5050250, 12625625, 25251250]

約数ペア:

[(1, 25251250), (2, 12625625), (5, 5050250), (10, 2525125), (25, 1010050), (50, 505025), (125, 202010), (250, 101005), (625, 40402), (1250, 20201)]