12808900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 30623040

約数和(自身を除く): 17814140

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 59, 65, 100, 118, 130, 167, 236, 260, 295, 325, 334, 590, 650, 668, 767, 835, 1180, 1300, 1475, 1534, 1670, 2171, 2950, 3068, 3340, 3835, 4175, 4342, 5900, 7670, 8350, 8684, 9853, 10855, 15340, 16700, 19175, 19706, 21710, 38350, 39412, 43420, 49265, 54275, 76700, 98530, 108550, 128089, 197060, 217100, 246325, 256178, 492650, 512356, 640445, 985300, 1280890, 2561780, 3202225, 6404450, 12808900]

約数ペア:

[(1, 12808900), (2, 6404450), (4, 3202225), (5, 2561780), (10, 1280890), (13, 985300), (20, 640445), (25, 512356), (26, 492650), (50, 256178), (52, 246325), (59, 217100), (65, 197060), (100, 128089), (118, 108550), (130, 98530), (167, 76700), (236, 54275), (260, 49265), (295, 43420), (325, 39412), (334, 38350), (590, 21710), (650, 19706), (668, 19175), (767, 16700), (835, 15340), (1180, 10855), (1300, 9853), (1475, 8684), (1534, 8350), (1670, 7670), (2171, 5900), (2950, 4342), (3068, 4175), (3340, 3835)]