90691880

素因数分解:

$2^3\times 5^1\times {\mathrm{2267297}}^1$

素因数の和:2267308

約数の個数: 16

約数和(自身を含む): 204056820

約数和(自身を除く): 113364940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2267297, 4534594, 9069188, 11336485, 18138376, 22672970, 45345940, 90691880]

約数ペア:

[(1, 90691880), (2, 45345940), (4, 22672970), (5, 18138376), (8, 11336485), (10, 9069188), (20, 4534594), (40, 2267297)]