85407500

素因数分解:

$2^2\times 5^4\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:420

約数の個数: 60

約数和(自身を含む): 188939520

約数和(自身を除く): 103532020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 127, 250, 254, 269, 500, 508, 538, 625, 635, 1076, 1250, 1270, 1345, 2500, 2540, 2690, 3175, 5380, 6350, 6725, 12700, 13450, 15875, 26900, 31750, 33625, 34163, 63500, 67250, 68326, 79375, 134500, 136652, 158750, 168125, 170815, 317500, 336250, 341630, 672500, 683260, 854075, 1708150, 3416300, 4270375, 8540750, 17081500, 21351875, 42703750, 85407500]

約数ペア:

[(1, 85407500), (2, 42703750), (4, 21351875), (5, 17081500), (10, 8540750), (20, 4270375), (25, 3416300), (50, 1708150), (100, 854075), (125, 683260), (127, 672500), (250, 341630), (254, 336250), (269, 317500), (500, 170815), (508, 168125), (538, 158750), (625, 136652), (635, 134500), (1076, 79375), (1250, 68326), (1270, 67250), (1345, 63500), (2500, 34163), (2540, 33625), (2690, 31750), (3175, 26900), (5380, 15875), (6350, 13450), (6725, 12700)]