144865640

素因数分解:

$2^3\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{3407}}^1$

素因数の和:4481

約数の個数: 32

約数和(自身を含む): 326350080

約数和(自身を除く): 181484440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1063, 2126, 3407, 4252, 5315, 6814, 8504, 10630, 13628, 17035, 21260, 27256, 34070, 42520, 68140, 136280, 3621641, 7243282, 14486564, 18108205, 28973128, 36216410, 72432820, 144865640]

約数ペア:

[(1, 144865640), (2, 72432820), (4, 36216410), (5, 28973128), (8, 18108205), (10, 14486564), (20, 7243282), (40, 3621641), (1063, 136280), (2126, 68140), (3407, 42520), (4252, 34070), (5315, 27256), (6814, 21260), (8504, 17035), (10630, 13628)]