19710160

素因数分解:

$2^4\times 5^1\times {\mathrm{433}}^1\times {\mathrm{569}}^1$

素因数の和:1015

約数の個数: 40

約数和(自身を含む): 46012680

約数和(自身を除く): 26302520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 433, 569, 866, 1138, 1732, 2165, 2276, 2845, 3464, 4330, 4552, 5690, 6928, 8660, 9104, 11380, 17320, 22760, 34640, 45520, 246377, 492754, 985508, 1231885, 1971016, 2463770, 3942032, 4927540, 9855080, 19710160]

約数ペア:

[(1, 19710160), (2, 9855080), (4, 4927540), (5, 3942032), (8, 2463770), (10, 1971016), (16, 1231885), (20, 985508), (40, 492754), (80, 246377), (433, 45520), (569, 34640), (866, 22760), (1138, 17320), (1732, 11380), (2165, 9104), (2276, 8660), (2845, 6928), (3464, 5690), (4330, 4552)]