7217660

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{641}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 15207696

約数和(自身を除く): 7990036

約数列:

[1, 2, 4, 5, 10, 20, 563, 641, 1126, 1282, 2252, 2564, 2815, 3205, 5630, 6410, 11260, 12820, 360883, 721766, 1443532, 1804415, 3608830, 7217660]

約数ペア:

[(1, 7217660), (2, 3608830), (4, 1804415), (5, 1443532), (10, 721766), (20, 360883), (563, 12820), (641, 11260), (1126, 6410), (1282, 5630), (2252, 3205), (2564, 2815)]