9818960

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{883}}^1$

素因数の和:1035

約数の個数: 40

約数和(自身を含む): 23019360

約数和(自身を除く): 13200400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 883, 1112, 1390, 1766, 2224, 2780, 3532, 4415, 5560, 7064, 8830, 11120, 14128, 17660, 35320, 70640, 122737, 245474, 490948, 613685, 981896, 1227370, 1963792, 2454740, 4909480, 9818960]

約数ペア:

[(1, 9818960), (2, 4909480), (4, 2454740), (5, 1963792), (8, 1227370), (10, 981896), (16, 613685), (20, 490948), (40, 245474), (80, 122737), (139, 70640), (278, 35320), (556, 17660), (695, 14128), (883, 11120), (1112, 8830), (1390, 7064), (1766, 5560), (2224, 4415), (2780, 3532)]