20080450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30893}}^1$

素因数の和:30918

約数の個数: 24

約数和(自身を含む): 40223988

約数和(自身を除く): 20143538

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30893, 61786, 154465, 308930, 401609, 772325, 803218, 1544650, 2008045, 4016090, 10040225, 20080450]

約数ペア:

[(1, 20080450), (2, 10040225), (5, 4016090), (10, 2008045), (13, 1544650), (25, 803218), (26, 772325), (50, 401609), (65, 308930), (130, 154465), (325, 61786), (650, 30893)]