1260752840

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{193367}}^1$

素因数の和:193541

約数の個数: 32

約数和(自身を含む): 2854111680

約数和(自身を除く): 1593358840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 193367, 386734, 773468, 966835, 1546936, 1933670, 3867340, 7734680, 31518821, 63037642, 126075284, 157594105, 252150568, 315188210, 630376420, 1260752840]

約数ペア:

[(1, 1260752840), (2, 630376420), (4, 315188210), (5, 252150568), (8, 157594105), (10, 126075284), (20, 63037642), (40, 31518821), (163, 7734680), (326, 3867340), (652, 1933670), (815, 1546936), (1304, 966835), (1630, 773468), (3260, 386734), (6520, 193367)]