74640920

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{9377}}^1$

素因数の和:9587

約数の個数: 32

約数和(自身を含む): 168804000

約数和(自身を除く): 94163080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 9377, 18754, 37508, 46885, 75016, 93770, 187540, 375080, 1866023, 3732046, 7464092, 9330115, 14928184, 18660230, 37320460, 74640920]

約数ペア:

[(1, 74640920), (2, 37320460), (4, 18660230), (5, 14928184), (8, 9330115), (10, 7464092), (20, 3732046), (40, 1866023), (199, 375080), (398, 187540), (796, 93770), (995, 75016), (1592, 46885), (1990, 37508), (3980, 18754), (7960, 9377)]