141641680

素因数分解:

$2^4\times 5^1\times {\mathrm{1770521}}^1$

素因数の和:1770534

約数の個数: 20

約数和(自身を含む): 329317092

約数和(自身を除く): 187675412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1770521, 3541042, 7082084, 8852605, 14164168, 17705210, 28328336, 35410420, 70820840, 141641680]

約数ペア:

[(1, 141641680), (2, 70820840), (4, 35410420), (5, 28328336), (8, 17705210), (10, 14164168), (16, 8852605), (20, 7082084), (40, 3541042), (80, 1770521)]