89855080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{320911}}^1$

素因数の和:320929

約数の個数: 32

約数和(自身を含む): 231056640

約数和(自身を除く): 141201560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 320911, 641822, 1283644, 1604555, 2246377, 2567288, 3209110, 4492754, 6418220, 8985508, 11231885, 12836440, 17971016, 22463770, 44927540, 89855080]

約数ペア:

[(1, 89855080), (2, 44927540), (4, 22463770), (5, 17971016), (7, 12836440), (8, 11231885), (10, 8985508), (14, 6418220), (20, 4492754), (28, 3209110), (35, 2567288), (40, 2246377), (56, 1604555), (70, 1283644), (140, 641822), (280, 320911)]