9843980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3541}}^1$

素因数の和:3689

約数の個数: 24

約数和(自身を含む): 20826960

約数和(自身を除く): 10982980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 3541, 7082, 14164, 17705, 35410, 70820, 492199, 984398, 1968796, 2460995, 4921990, 9843980]

約数ペア:

[(1, 9843980), (2, 4921990), (4, 2460995), (5, 1968796), (10, 984398), (20, 492199), (139, 70820), (278, 35410), (556, 17705), (695, 14164), (1390, 7082), (2780, 3541)]