145622440

素因数分解:

$2^3\times 5^1\times {\mathrm{3640561}}^1$

素因数の和:3640572

約数の個数: 16

約数和(自身を含む): 327650580

約数和(自身を除く): 182028140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3640561, 7281122, 14562244, 18202805, 29124488, 36405610, 72811220, 145622440]

約数ペア:

[(1, 145622440), (2, 72811220), (4, 36405610), (5, 29124488), (8, 18202805), (10, 14562244), (20, 7281122), (40, 3640561)]