78148880

素因数分解:

$2^4\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1693}}^1$

素因数の和:2283

約数の個数: 40

約数和(自身を含む): 182118552

約数和(自身を除く): 103969672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 577, 1154, 1693, 2308, 2885, 3386, 4616, 5770, 6772, 8465, 9232, 11540, 13544, 16930, 23080, 27088, 33860, 46160, 67720, 135440, 976861, 1953722, 3907444, 4884305, 7814888, 9768610, 15629776, 19537220, 39074440, 78148880]

約数ペア:

[(1, 78148880), (2, 39074440), (4, 19537220), (5, 15629776), (8, 9768610), (10, 7814888), (16, 4884305), (20, 3907444), (40, 1953722), (80, 976861), (577, 135440), (1154, 67720), (1693, 46160), (2308, 33860), (2885, 27088), (3386, 23080), (4616, 16930), (5770, 13544), (6772, 11540), (8465, 9232)]