28115080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100411}}^1$

素因数の和:100429

約数の個数: 32

約数和(自身を含む): 72296640

約数和(自身を除く): 44181560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100411, 200822, 401644, 502055, 702877, 803288, 1004110, 1405754, 2008220, 2811508, 3514385, 4016440, 5623016, 7028770, 14057540, 28115080]

約数ペア:

[(1, 28115080), (2, 14057540), (4, 7028770), (5, 5623016), (7, 4016440), (8, 3514385), (10, 2811508), (14, 2008220), (20, 1405754), (28, 1004110), (35, 803288), (40, 702877), (56, 502055), (70, 401644), (140, 200822), (280, 100411)]