89840540

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{22573}}^1$

素因数の和:22781

約数の個数: 24

約数和(自身を含む): 189621600

約数和(自身を除く): 99781060

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 22573, 45146, 90292, 112865, 225730, 451460, 4492027, 8984054, 17968108, 22460135, 44920270, 89840540]

約数ペア:

[(1, 89840540), (2, 44920270), (4, 22460135), (5, 17968108), (10, 8984054), (20, 4492027), (199, 451460), (398, 225730), (796, 112865), (995, 90292), (1990, 45146), (3980, 22573)]