9720560

素因数分解:

$2^4\times 5^1\times {\mathrm{121507}}^1$

素因数の和:121520

約数の個数: 20

約数和(自身を含む): 22600488

約数和(自身を除く): 12879928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 121507, 243014, 486028, 607535, 972056, 1215070, 1944112, 2430140, 4860280, 9720560]

約数ペア:

[(1, 9720560), (2, 4860280), (4, 2430140), (5, 1944112), (8, 1215070), (10, 972056), (16, 607535), (20, 486028), (40, 243014), (80, 121507)]