90023620

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{22619}}^1$

素因数の和:22827

約数の個数: 24

約数和(自身を含む): 190008000

約数和(自身を除く): 99984380

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 22619, 45238, 90476, 113095, 226190, 452380, 4501181, 9002362, 18004724, 22505905, 45011810, 90023620]

約数ペア:

[(1, 90023620), (2, 45011810), (4, 22505905), (5, 18004724), (10, 9002362), (20, 4501181), (199, 452380), (398, 226190), (796, 113095), (995, 90476), (1990, 45238), (3980, 22619)]