57660280

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{3631}}^1$

素因数の和:4039

約数の個数: 32

約数和(自身を含む): 130098240

約数和(自身を除く): 72437960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3631, 3970, 7262, 7940, 14524, 15880, 18155, 29048, 36310, 72620, 145240, 1441507, 2883014, 5766028, 7207535, 11532056, 14415070, 28830140, 57660280]

約数ペア:

[(1, 57660280), (2, 28830140), (4, 14415070), (5, 11532056), (8, 7207535), (10, 5766028), (20, 2883014), (40, 1441507), (397, 145240), (794, 72620), (1588, 36310), (1985, 29048), (3176, 18155), (3631, 15880), (3970, 14524), (7262, 7940)]