8198780

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1117}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 17279808

約数和(自身を除く): 9081028

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1117, 1468, 1835, 2234, 3670, 4468, 5585, 7340, 11170, 22340, 409939, 819878, 1639756, 2049695, 4099390, 8198780]

約数ペア:

[(1, 8198780), (2, 4099390), (4, 2049695), (5, 1639756), (10, 819878), (20, 409939), (367, 22340), (734, 11170), (1117, 7340), (1468, 5585), (1835, 4468), (2234, 3670)]