91576840

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{2269}}^1$

素因数の和:3289

約数の個数: 32

約数和(自身を含む): 206343000

約数和(自身を除く): 114766160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 2018, 2269, 4036, 4538, 5045, 8072, 9076, 10090, 11345, 18152, 20180, 22690, 40360, 45380, 90760, 2289421, 4578842, 9157684, 11447105, 18315368, 22894210, 45788420, 91576840]

約数ペア:

[(1, 91576840), (2, 45788420), (4, 22894210), (5, 18315368), (8, 11447105), (10, 9157684), (20, 4578842), (40, 2289421), (1009, 90760), (2018, 45380), (2269, 40360), (4036, 22690), (4538, 20180), (5045, 18152), (8072, 11345), (9076, 10090)]