25756040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20771}}^1$

素因数の和:20813

約数の個数: 32

約数和(自身を含む): 59823360

約数和(自身を除く): 34067320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20771, 41542, 83084, 103855, 166168, 207710, 415420, 643901, 830840, 1287802, 2575604, 3219505, 5151208, 6439010, 12878020, 25756040]

約数ペア:

[(1, 25756040), (2, 12878020), (4, 6439010), (5, 5151208), (8, 3219505), (10, 2575604), (20, 1287802), (31, 830840), (40, 643901), (62, 415420), (124, 207710), (155, 166168), (248, 103855), (310, 83084), (620, 41542), (1240, 20771)]