71027080

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{8923}}^1$

素因数の和:9133

約数の個数: 32

約数和(自身を含む): 160632000

約数和(自身を除く): 89604920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 8923, 17846, 35692, 44615, 71384, 89230, 178460, 356920, 1775677, 3551354, 7102708, 8878385, 14205416, 17756770, 35513540, 71027080]

約数ペア:

[(1, 71027080), (2, 35513540), (4, 17756770), (5, 14205416), (8, 8878385), (10, 7102708), (20, 3551354), (40, 1775677), (199, 356920), (398, 178460), (796, 89230), (995, 71384), (1592, 44615), (1990, 35692), (3980, 17846), (7960, 8923)]