81434800

素因数分解:

$2^4\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1249}}^1$

素因数の和:1430

約数の個数: 60

約数和(自身を含む): 197005000

約数和(自身を除く): 115570200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 163, 200, 326, 400, 652, 815, 1249, 1304, 1630, 2498, 2608, 3260, 4075, 4996, 6245, 6520, 8150, 9992, 12490, 13040, 16300, 19984, 24980, 31225, 32600, 49960, 62450, 65200, 99920, 124900, 203587, 249800, 407174, 499600, 814348, 1017935, 1628696, 2035870, 3257392, 4071740, 5089675, 8143480, 10179350, 16286960, 20358700, 40717400, 81434800]

約数ペア:

[(1, 81434800), (2, 40717400), (4, 20358700), (5, 16286960), (8, 10179350), (10, 8143480), (16, 5089675), (20, 4071740), (25, 3257392), (40, 2035870), (50, 1628696), (80, 1017935), (100, 814348), (163, 499600), (200, 407174), (326, 249800), (400, 203587), (652, 124900), (815, 99920), (1249, 65200), (1304, 62450), (1630, 49960), (2498, 32600), (2608, 31225), (3260, 24980), (4075, 19984), (4996, 16300), (6245, 13040), (6520, 12490), (8150, 9992)]