30820220

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{8609}}^1$

素因数の和:8797

約数の個数: 24

約数和(自身を含む): 65091600

約数和(自身を除く): 34271380

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 8609, 17218, 34436, 43045, 86090, 172180, 1541011, 3082022, 6164044, 7705055, 15410110, 30820220]

約数ペア:

[(1, 30820220), (2, 15410110), (4, 7705055), (5, 6164044), (10, 3082022), (20, 1541011), (179, 172180), (358, 86090), (716, 43045), (895, 34436), (1790, 17218), (3580, 8609)]