38642440

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1531}}^1$

素因数の和:2173

約数の個数: 32

約数和(自身を含む): 87140160

約数和(自身を除く): 48497720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 1531, 2524, 3062, 3155, 5048, 6124, 6310, 7655, 12248, 12620, 15310, 25240, 30620, 61240, 966061, 1932122, 3864244, 4830305, 7728488, 9660610, 19321220, 38642440]

約数ペア:

[(1, 38642440), (2, 19321220), (4, 9660610), (5, 7728488), (8, 4830305), (10, 3864244), (20, 1932122), (40, 966061), (631, 61240), (1262, 30620), (1531, 25240), (2524, 15310), (3062, 12620), (3155, 12248), (5048, 7655), (6124, 6310)]