82251980

素因数分解:

$2^2\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{2473}}^1$

素因数の和:4145

約数の個数: 24

約数和(自身を含む): 172902912

約数和(自身を除く): 90650932

約数列:

[1, 2, 4, 5, 10, 20, 1663, 2473, 3326, 4946, 6652, 8315, 9892, 12365, 16630, 24730, 33260, 49460, 4112599, 8225198, 16450396, 20562995, 41125990, 82251980]

約数ペア:

[(1, 82251980), (2, 41125990), (4, 20562995), (5, 16450396), (10, 8225198), (20, 4112599), (1663, 49460), (2473, 33260), (3326, 24730), (4946, 16630), (6652, 12365), (8315, 9892)]