129600760

素因数分解:

$2^3\times 5^1\times {\mathrm{3240019}}^1$

素因数の和:3240030

約数の個数: 16

約数和(自身を含む): 291601800

約数和(自身を除く): 162001040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3240019, 6480038, 12960076, 16200095, 25920152, 32400190, 64800380, 129600760]

約数ペア:

[(1, 129600760), (2, 64800380), (4, 32400190), (5, 25920152), (8, 16200095), (10, 12960076), (20, 6480038), (40, 3240019)]