17964080

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{521}}^1$

素因数の和:965

約数の個数: 40

約数和(自身を含む): 41943744

約数和(自身を除く): 23979664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 521, 862, 1042, 1724, 2084, 2155, 2605, 3448, 4168, 4310, 5210, 6896, 8336, 8620, 10420, 17240, 20840, 34480, 41680, 224551, 449102, 898204, 1122755, 1796408, 2245510, 3592816, 4491020, 8982040, 17964080]

約数ペア:

[(1, 17964080), (2, 8982040), (4, 4491020), (5, 3592816), (8, 2245510), (10, 1796408), (16, 1122755), (20, 898204), (40, 449102), (80, 224551), (431, 41680), (521, 34480), (862, 20840), (1042, 17240), (1724, 10420), (2084, 8620), (2155, 8336), (2605, 6896), (3448, 5210), (4168, 4310)]