25843880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6397}}^1$

素因数の和:6509

約数の個数: 32

約数和(自身を含む): 58733640

約数和(自身を除く): 32889760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 6397, 12794, 25588, 31985, 51176, 63970, 127940, 255880, 646097, 1292194, 2584388, 3230485, 5168776, 6460970, 12921940, 25843880]

約数ペア:

[(1, 25843880), (2, 12921940), (4, 6460970), (5, 5168776), (8, 3230485), (10, 2584388), (20, 1292194), (40, 646097), (101, 255880), (202, 127940), (404, 63970), (505, 51176), (808, 31985), (1010, 25588), (2020, 12794), (4040, 6397)]