25902680

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2687}}^1$

素因数の和:2939

約数の個数: 32

約数和(自身を含む): 58544640

約数和(自身を除く): 32641960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 2687, 4820, 5374, 9640, 10748, 13435, 21496, 26870, 53740, 107480, 647567, 1295134, 2590268, 3237835, 5180536, 6475670, 12951340, 25902680]

約数ペア:

[(1, 25902680), (2, 12951340), (4, 6475670), (5, 5180536), (8, 3237835), (10, 2590268), (20, 1295134), (40, 647567), (241, 107480), (482, 53740), (964, 26870), (1205, 21496), (1928, 13435), (2410, 10748), (2687, 9640), (4820, 5374)]