25533980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31139}}^1$

素因数の和:31189

約数の個数: 24

約数和(自身を含む): 54930960

約数和(自身を除く): 29396980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 31139, 62278, 124556, 155695, 311390, 622780, 1276699, 2553398, 5106796, 6383495, 12766990, 25533980]

約数ペア:

[(1, 25533980), (2, 12766990), (4, 6383495), (5, 5106796), (10, 2553398), (20, 1276699), (41, 622780), (82, 311390), (164, 155695), (205, 124556), (410, 62278), (820, 31139)]