27863980

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{7001}}^1$

素因数の和:7209

約数の個数: 24

約数和(自身を含む): 58816800

約数和(自身を除く): 30952820

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 7001, 14002, 28004, 35005, 70010, 140020, 1393199, 2786398, 5572796, 6965995, 13931990, 27863980]

約数ペア:

[(1, 27863980), (2, 13931990), (4, 6965995), (5, 5572796), (10, 2786398), (20, 1393199), (199, 140020), (398, 70010), (796, 35005), (995, 28004), (1990, 14002), (3980, 7001)]