313637680

素因数分解:

$2^4\times 5^1\times {\mathrm{3920471}}^1$

素因数の和:3920484

約数の個数: 20

約数和(自身を含む): 729207792

約数和(自身を除く): 415570112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3920471, 7840942, 15681884, 19602355, 31363768, 39204710, 62727536, 78409420, 156818840, 313637680]

約数ペア:

[(1, 313637680), (2, 156818840), (4, 78409420), (5, 62727536), (8, 39204710), (10, 31363768), (16, 19602355), (20, 15681884), (40, 7840942), (80, 3920471)]