9791120

素因数分解:

$2^4\times 5^1\times {\mathrm{122389}}^1$

素因数の和:122402

約数の個数: 20

約数和(自身を含む): 22764540

約数和(自身を除く): 12973420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 122389, 244778, 489556, 611945, 979112, 1223890, 1958224, 2447780, 4895560, 9791120]

約数ペア:

[(1, 9791120), (2, 4895560), (4, 2447780), (5, 1958224), (8, 1223890), (10, 979112), (16, 611945), (20, 489556), (40, 244778), (80, 122389)]