78573160

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{9871}}^1$

素因数の和:10081

約数の個数: 32

約数和(自身を含む): 177696000

約数和(自身を除く): 99122840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 9871, 19742, 39484, 49355, 78968, 98710, 197420, 394840, 1964329, 3928658, 7857316, 9821645, 15714632, 19643290, 39286580, 78573160]

約数ペア:

[(1, 78573160), (2, 39286580), (4, 19643290), (5, 15714632), (8, 9821645), (10, 7857316), (20, 3928658), (40, 1964329), (199, 394840), (398, 197420), (796, 98710), (995, 78968), (1592, 49355), (1990, 39484), (3980, 19742), (7960, 9871)]