129906680

素因数分解:

$2^3\times 5^1\times {\mathrm{3247667}}^1$

素因数の和:3247678

約数の個数: 16

約数和(自身を含む): 292290120

約数和(自身を除く): 162383440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3247667, 6495334, 12990668, 16238335, 25981336, 32476670, 64953340, 129906680]

約数ペア:

[(1, 129906680), (2, 64953340), (4, 32476670), (5, 25981336), (8, 16238335), (10, 12990668), (20, 6495334), (40, 3247667)]