157077680

素因数分解:

$2^4\times 5^1\times {\mathrm{1963471}}^1$

素因数の和:1963484

約数の個数: 20

約数和(自身を含む): 365205792

約数和(自身を除く): 208128112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1963471, 3926942, 7853884, 9817355, 15707768, 19634710, 31415536, 39269420, 78538840, 157077680]

約数ペア:

[(1, 157077680), (2, 78538840), (4, 39269420), (5, 31415536), (8, 19634710), (10, 15707768), (16, 9817355), (20, 7853884), (40, 3926942), (80, 1963471)]