80163400

素因数分解:

$2^3\times 5^2\times {\mathrm{163}}^1\times {\mathrm{2459}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 187599600

約数和(自身を除く): 107436200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 163, 200, 326, 652, 815, 1304, 1630, 2459, 3260, 4075, 4918, 6520, 8150, 9836, 12295, 16300, 19672, 24590, 32600, 49180, 61475, 98360, 122950, 245900, 400817, 491800, 801634, 1603268, 2004085, 3206536, 4008170, 8016340, 10020425, 16032680, 20040850, 40081700, 80163400]

約数ペア:

[(1, 80163400), (2, 40081700), (4, 20040850), (5, 16032680), (8, 10020425), (10, 8016340), (20, 4008170), (25, 3206536), (40, 2004085), (50, 1603268), (100, 801634), (163, 491800), (200, 400817), (326, 245900), (652, 122950), (815, 98360), (1304, 61475), (1630, 49180), (2459, 32600), (3260, 24590), (4075, 19672), (4918, 16300), (6520, 12295), (8150, 9836)]