84865540

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{21323}}^1$

素因数の和:21531

約数の個数: 24

約数和(自身を含む): 179121600

約数和(自身を除く): 94256060

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 21323, 42646, 85292, 106615, 213230, 426460, 4243277, 8486554, 16973108, 21216385, 42432770, 84865540]

約数ペア:

[(1, 84865540), (2, 42432770), (4, 21216385), (5, 16973108), (10, 8486554), (20, 4243277), (199, 426460), (398, 213230), (796, 106615), (995, 85292), (1990, 42646), (3980, 21323)]