39803960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{142157}}^1$

素因数の和:142175

約数の個数: 32

約数和(自身を含む): 102353760

約数和(自身を除く): 62549800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 142157, 284314, 568628, 710785, 995099, 1137256, 1421570, 1990198, 2843140, 3980396, 4975495, 5686280, 7960792, 9950990, 19901980, 39803960]

約数ペア:

[(1, 39803960), (2, 19901980), (4, 9950990), (5, 7960792), (7, 5686280), (8, 4975495), (10, 3980396), (14, 2843140), (20, 1990198), (28, 1421570), (35, 1137256), (40, 995099), (56, 710785), (70, 568628), (140, 284314), (280, 142157)]