25731980

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1741}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 54141360

約数和(自身を除く): 28409380

約数列:

[1, 2, 4, 5, 10, 20, 739, 1478, 1741, 2956, 3482, 3695, 6964, 7390, 8705, 14780, 17410, 34820, 1286599, 2573198, 5146396, 6432995, 12865990, 25731980]

約数ペア:

[(1, 25731980), (2, 12865990), (4, 6432995), (5, 5146396), (10, 2573198), (20, 1286599), (739, 34820), (1478, 17410), (1741, 14780), (2956, 8705), (3482, 7390), (3695, 6964)]