7942744280

素因数分解:

$2^3\times 5^1\times {\mathrm{198568607}}^1$

素因数の和:198568618

約数の個数: 16

約数和(自身を含む): 17871174720

約数和(自身を除く): 9928430440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 198568607, 397137214, 794274428, 992843035, 1588548856, 1985686070, 3971372140, 7942744280]

約数ペア:

[(1, 7942744280), (2, 3971372140), (4, 1985686070), (5, 1588548856), (8, 992843035), (10, 794274428), (20, 397137214), (40, 198568607)]