145645840

素因数分解:

$2^4\times 5^1\times {\mathrm{1820573}}^1$

素因数の和:1820586

約数の個数: 20

約数和(自身を含む): 338626764

約数和(自身を除く): 192980924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1820573, 3641146, 7282292, 9102865, 14564584, 18205730, 29129168, 36411460, 72822920, 145645840]

約数ペア:

[(1, 145645840), (2, 72822920), (4, 36411460), (5, 29129168), (8, 18205730), (10, 14564584), (16, 9102865), (20, 7282292), (40, 3641146), (80, 1820573)]