156747747880

素因数分解:

$2^3\times 5^1\times {\mathrm{4021}}^1\times {\mathrm{974557}}^1$

素因数の和:978589

約数の個数: 32

約数和(自身を含む): 352770504840

約数和(自身を除く): 196022756960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4021, 8042, 16084, 20105, 32168, 40210, 80420, 160840, 974557, 1949114, 3898228, 4872785, 7796456, 9745570, 19491140, 38982280, 3918693697, 7837387394, 15674774788, 19593468485, 31349549576, 39186936970, 78373873940, 156747747880]

約数ペア:

[(1, 156747747880), (2, 78373873940), (4, 39186936970), (5, 31349549576), (8, 19593468485), (10, 15674774788), (20, 7837387394), (40, 3918693697), (4021, 38982280), (8042, 19491140), (16084, 9745570), (20105, 7796456), (32168, 4872785), (40210, 3898228), (80420, 1949114), (160840, 974557)]