157026920

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{19727}}^1$

素因数の和:19937

約数の個数: 32

約数和(自身を含む): 355104000

約数和(自身を除く): 198077080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 19727, 39454, 78908, 98635, 157816, 197270, 394540, 789080, 3925673, 7851346, 15702692, 19628365, 31405384, 39256730, 78513460, 157026920]

約数ペア:

[(1, 157026920), (2, 78513460), (4, 39256730), (5, 31405384), (8, 19628365), (10, 15702692), (20, 7851346), (40, 3925673), (199, 789080), (398, 394540), (796, 197270), (995, 157816), (1592, 98635), (1990, 78908), (3980, 39454), (7960, 19727)]