40855180

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{27983}}^1$

素因数の和:28065

約数の個数: 24

約数和(自身を含む): 86974272

約数和(自身を除く): 46119092

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 27983, 55966, 111932, 139915, 279830, 559660, 2042759, 4085518, 8171036, 10213795, 20427590, 40855180]

約数ペア:

[(1, 40855180), (2, 20427590), (4, 10213795), (5, 8171036), (10, 4085518), (20, 2042759), (73, 559660), (146, 279830), (292, 139915), (365, 111932), (730, 55966), (1460, 27983)]