39990160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71411}}^1$

素因数の和:71431

約数の個数: 40

約数和(自身を含む): 106261056

約数和(自身を除く): 66270896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71411, 142822, 285644, 357055, 499877, 571288, 714110, 999754, 1142576, 1428220, 1999508, 2499385, 2856440, 3999016, 4998770, 5712880, 7998032, 9997540, 19995080, 39990160]

約数ペア:

[(1, 39990160), (2, 19995080), (4, 9997540), (5, 7998032), (7, 5712880), (8, 4998770), (10, 3999016), (14, 2856440), (16, 2499385), (20, 1999508), (28, 1428220), (35, 1142576), (40, 999754), (56, 714110), (70, 571288), (80, 499877), (112, 357055), (140, 285644), (280, 142822), (560, 71411)]