145041640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{51071}}^1$

素因数の和:51153

約数の個数: 32

約数和(自身を含む): 330946560

約数和(自身を除く): 185904920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 51071, 102142, 204284, 255355, 408568, 510710, 1021420, 2042840, 3626041, 7252082, 14504164, 18130205, 29008328, 36260410, 72520820, 145041640]

約数ペア:

[(1, 145041640), (2, 72520820), (4, 36260410), (5, 29008328), (8, 18130205), (10, 14504164), (20, 7252082), (40, 3626041), (71, 2042840), (142, 1021420), (284, 510710), (355, 408568), (568, 255355), (710, 204284), (1420, 102142), (2840, 51071)]