13282940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 30693600

約数和(自身を除く): 17410660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 349, 692, 698, 865, 1396, 1730, 1745, 1903, 3460, 3490, 3806, 3839, 6980, 7612, 7678, 9515, 15356, 19030, 19195, 38060, 38390, 60377, 76780, 120754, 241508, 301885, 603770, 664147, 1207540, 1328294, 2656588, 3320735, 6641470, 13282940]

約数ペア:

[(1, 13282940), (2, 6641470), (4, 3320735), (5, 2656588), (10, 1328294), (11, 1207540), (20, 664147), (22, 603770), (44, 301885), (55, 241508), (110, 120754), (173, 76780), (220, 60377), (346, 38390), (349, 38060), (692, 19195), (698, 19030), (865, 15356), (1396, 9515), (1730, 7678), (1745, 7612), (1903, 6980), (3460, 3839), (3490, 3806)]