118871240

素因数分解:

$2^3\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{1787}}^1$

素因数の和:3461

約数の個数: 32

約数和(自身を含む): 267770880

約数和(自身を除く): 148899640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1663, 1787, 3326, 3574, 6652, 7148, 8315, 8935, 13304, 14296, 16630, 17870, 33260, 35740, 66520, 71480, 2971781, 5943562, 11887124, 14858905, 23774248, 29717810, 59435620, 118871240]

約数ペア:

[(1, 118871240), (2, 59435620), (4, 29717810), (5, 23774248), (8, 14858905), (10, 11887124), (20, 5943562), (40, 2971781), (1663, 71480), (1787, 66520), (3326, 35740), (3574, 33260), (6652, 17870), (7148, 16630), (8315, 14296), (8935, 13304)]