90761140

素因数分解:

$2^2\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{2803}}^1$

素因数の和:4431

約数の個数: 24

約数和(自身を含む): 190784160

約数和(自身を除く): 100023020

約数列:

[1, 2, 4, 5, 10, 20, 1619, 2803, 3238, 5606, 6476, 8095, 11212, 14015, 16190, 28030, 32380, 56060, 4538057, 9076114, 18152228, 22690285, 45380570, 90761140]

約数ペア:

[(1, 90761140), (2, 45380570), (4, 22690285), (5, 18152228), (10, 9076114), (20, 4538057), (1619, 56060), (2803, 32380), (3238, 28030), (5606, 16190), (6476, 14015), (8095, 11212)]