201769881680

素因数分解:

$2^4\times 5^1\times {\mathrm{2522123521}}^1$

素因数の和:2522123534

約数の個数: 20

約数和(自身を含む): 469114975092

約数和(自身を除く): 267345093412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2522123521, 5044247042, 10088494084, 12610617605, 20176988168, 25221235210, 40353976336, 50442470420, 100884940840, 201769881680]

約数ペア:

[(1, 201769881680), (2, 100884940840), (4, 50442470420), (5, 40353976336), (8, 25221235210), (10, 20176988168), (16, 12610617605), (20, 10088494084), (40, 5044247042), (80, 2522123521)]