90368440

素因数分解:

$2^3\times 5^1\times {\mathrm{2259211}}^1$

素因数の和:2259222

約数の個数: 16

約数和(自身を含む): 203329080

約数和(自身を除く): 112960640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2259211, 4518422, 9036844, 11296055, 18073688, 22592110, 45184220, 90368440]

約数ペア:

[(1, 90368440), (2, 45184220), (4, 22592110), (5, 18073688), (8, 11296055), (10, 9036844), (20, 4518422), (40, 2259211)]