89267420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2039}}^1$

素因数の和:2258

約数の個数: 48

約数和(自身を含む): 205632000

約数和(自身を除く): 116364580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1990, 2039, 2189, 3980, 4078, 4378, 8156, 8756, 10195, 10945, 20390, 21890, 22429, 40780, 43780, 44858, 89716, 112145, 224290, 405761, 448580, 811522, 1623044, 2028805, 4057610, 4463371, 8115220, 8926742, 17853484, 22316855, 44633710, 89267420]

約数ペア:

[(1, 89267420), (2, 44633710), (4, 22316855), (5, 17853484), (10, 8926742), (11, 8115220), (20, 4463371), (22, 4057610), (44, 2028805), (55, 1623044), (110, 811522), (199, 448580), (220, 405761), (398, 224290), (796, 112145), (995, 89716), (1990, 44858), (2039, 43780), (2189, 40780), (3980, 22429), (4078, 21890), (4378, 20390), (8156, 10945), (8756, 10195)]