63707860

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{16007}}^1$

素因数の和:16215

約数の個数: 24

約数和(自身を含む): 134467200

約数和(自身を除く): 70759340

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 16007, 32014, 64028, 80035, 160070, 320140, 3185393, 6370786, 12741572, 15926965, 31853930, 63707860]

約数ペア:

[(1, 63707860), (2, 31853930), (4, 15926965), (5, 12741572), (10, 6370786), (20, 3185393), (199, 320140), (398, 160070), (796, 80035), (995, 64028), (1990, 32014), (3980, 16007)]