261066440

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{34171}}^1$

素因数の和:34373

約数の個数: 32

約数和(自身を含む): 590492160

約数和(自身を除く): 329425720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 34171, 68342, 136684, 170855, 273368, 341710, 683420, 1366840, 6526661, 13053322, 26106644, 32633305, 52213288, 65266610, 130533220, 261066440]

約数ペア:

[(1, 261066440), (2, 130533220), (4, 65266610), (5, 52213288), (8, 32633305), (10, 26106644), (20, 13053322), (40, 6526661), (191, 1366840), (382, 683420), (764, 341710), (955, 273368), (1528, 170855), (1910, 136684), (3820, 68342), (7640, 34171)]