76561840

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3019}}^1$

素因数の和:3349

約数の個数: 40

約数和(自身を含む): 178626960

約数和(自身を除く): 102065120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 3019, 3170, 5072, 6038, 6340, 12076, 12680, 15095, 24152, 25360, 30190, 48304, 60380, 120760, 241520, 957023, 1914046, 3828092, 4785115, 7656184, 9570230, 15312368, 19140460, 38280920, 76561840]

約数ペア:

[(1, 76561840), (2, 38280920), (4, 19140460), (5, 15312368), (8, 9570230), (10, 7656184), (16, 4785115), (20, 3828092), (40, 1914046), (80, 957023), (317, 241520), (634, 120760), (1268, 60380), (1585, 48304), (2536, 30190), (3019, 25360), (3170, 24152), (5072, 15095), (6038, 12680), (6340, 12076)]