80485550

素因数分解:

$2^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{8089}}^1$

素因数の和:8300

約数の個数: 24

約数和(自身を含む): 150474000

約数和(自身を除く): 69988450

約数列:

[1, 2, 5, 10, 25, 50, 199, 398, 995, 1990, 4975, 8089, 9950, 16178, 40445, 80890, 202225, 404450, 1609711, 3219422, 8048555, 16097110, 40242775, 80485550]

約数ペア:

[(1, 80485550), (2, 40242775), (5, 16097110), (10, 8048555), (25, 3219422), (50, 1609711), (199, 404450), (398, 202225), (995, 80890), (1990, 40445), (4975, 16178), (8089, 9950)]