98998520

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{12437}}^1$

素因数の和:12647

約数の個数: 32

約数和(自身を含む): 223884000

約数和(自身を除く): 124885480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 12437, 24874, 49748, 62185, 99496, 124370, 248740, 497480, 2474963, 4949926, 9899852, 12374815, 19799704, 24749630, 49499260, 98998520]

約数ペア:

[(1, 98998520), (2, 49499260), (4, 24749630), (5, 19799704), (8, 12374815), (10, 9899852), (20, 4949926), (40, 2474963), (199, 497480), (398, 248740), (796, 124370), (995, 99496), (1592, 62185), (1990, 49748), (3980, 24874), (7960, 12437)]