154702960

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4871}}^1$

素因数の和:5281

約数の個数: 40

約数和(自身を含む): 360664416

約数和(自身を除く): 205961456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 3176, 3970, 4871, 6352, 7940, 9742, 15880, 19484, 24355, 31760, 38968, 48710, 77936, 97420, 194840, 389680, 1933787, 3867574, 7735148, 9668935, 15470296, 19337870, 30940592, 38675740, 77351480, 154702960]

約数ペア:

[(1, 154702960), (2, 77351480), (4, 38675740), (5, 30940592), (8, 19337870), (10, 15470296), (16, 9668935), (20, 7735148), (40, 3867574), (80, 1933787), (397, 389680), (794, 194840), (1588, 97420), (1985, 77936), (3176, 48710), (3970, 38968), (4871, 31760), (6352, 24355), (7940, 19484), (9742, 15880)]