87392380

素因数分解:

$2^2\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{2539}}^1$

素因数の和:4269

約数の個数: 24

約数和(自身を含む): 183702960

約数和(自身を除く): 96310580

約数列:

[1, 2, 4, 5, 10, 20, 1721, 2539, 3442, 5078, 6884, 8605, 10156, 12695, 17210, 25390, 34420, 50780, 4369619, 8739238, 17478476, 21848095, 43696190, 87392380]

約数ペア:

[(1, 87392380), (2, 43696190), (4, 21848095), (5, 17478476), (10, 8739238), (20, 4369619), (1721, 50780), (2539, 34420), (3442, 25390), (5078, 17210), (6884, 12695), (8605, 10156)]