158974960

素因数分解:

$2^4\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{1697}}^1$

素因数の和:2881

約数の個数: 40

約数和(自身を含む): 370150416

約数和(自身を除く): 211175456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1171, 1697, 2342, 3394, 4684, 5855, 6788, 8485, 9368, 11710, 13576, 16970, 18736, 23420, 27152, 33940, 46840, 67880, 93680, 135760, 1987187, 3974374, 7948748, 9935935, 15897496, 19871870, 31794992, 39743740, 79487480, 158974960]

約数ペア:

[(1, 158974960), (2, 79487480), (4, 39743740), (5, 31794992), (8, 19871870), (10, 15897496), (16, 9935935), (20, 7948748), (40, 3974374), (80, 1987187), (1171, 135760), (1697, 93680), (2342, 67880), (3394, 46840), (4684, 33940), (5855, 27152), (6788, 23420), (8485, 18736), (9368, 16970), (11710, 13576)]