156967280

素因数分解:

$2^4\times 5^1\times {\mathrm{1962091}}^1$

素因数の和:1962104

約数の個数: 20

約数和(自身を含む): 364949112

約数和(自身を除く): 207981832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1962091, 3924182, 7848364, 9810455, 15696728, 19620910, 31393456, 39241820, 78483640, 156967280]

約数ペア:

[(1, 156967280), (2, 78483640), (4, 39241820), (5, 31393456), (8, 19620910), (10, 15696728), (16, 9810455), (20, 7848364), (40, 3924182), (80, 1962091)]