25544920

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6323}}^1$

素因数の和:6435

約数の個数: 32

約数和(自身を含む): 58054320

約数和(自身を除く): 32509400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 6323, 12646, 25292, 31615, 50584, 63230, 126460, 252920, 638623, 1277246, 2554492, 3193115, 5108984, 6386230, 12772460, 25544920]

約数ペア:

[(1, 25544920), (2, 12772460), (4, 6386230), (5, 5108984), (8, 3193115), (10, 2554492), (20, 1277246), (40, 638623), (101, 252920), (202, 126460), (404, 63230), (505, 50584), (808, 31615), (1010, 25292), (2020, 12646), (4040, 6323)]