145508920

素因数分解:

$2^3\times 5^1\times {\mathrm{3637723}}^1$

素因数の和:3637734

約数の個数: 16

約数和(自身を含む): 327395160

約数和(自身を除く): 181886240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3637723, 7275446, 14550892, 18188615, 29101784, 36377230, 72754460, 145508920]

約数ペア:

[(1, 145508920), (2, 72754460), (4, 36377230), (5, 29101784), (8, 18188615), (10, 14550892), (20, 7275446), (40, 3637723)]