222555625

素因数分解:

$5^4\times {\mathrm{89}}^1\times {\mathrm{4001}}^1$

素因数の和:4110

約数の個数: 20

約数和(自身を含む): 281300580

約数和(自身を除く): 58744955

約数列:

[1, 5, 25, 89, 125, 445, 625, 2225, 4001, 11125, 20005, 55625, 100025, 356089, 500125, 1780445, 2500625, 8902225, 44511125, 222555625]

約数ペア:

[(1, 222555625), (5, 44511125), (25, 8902225), (89, 2500625), (125, 1780445), (445, 500125), (625, 356089), (2225, 100025), (4001, 55625), (11125, 20005)]