160290440

素因数分解:

$2^3\times 5^1\times {\mathrm{4007261}}^1$

素因数の和:4007272

約数の個数: 16

約数和(自身を含む): 360653580

約数和(自身を除く): 200363140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4007261, 8014522, 16029044, 20036305, 32058088, 40072610, 80145220, 160290440]

約数ペア:

[(1, 160290440), (2, 80145220), (4, 40072610), (5, 32058088), (8, 20036305), (10, 16029044), (20, 8014522), (40, 4007261)]