12786100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4409}}^1$

素因数の和:4452

約数の個数: 36

約数和(自身を含む): 28709100

約数和(自身を除く): 15923000

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 4409, 8818, 17636, 22045, 44090, 88180, 110225, 127861, 220450, 255722, 440900, 511444, 639305, 1278610, 2557220, 3196525, 6393050, 12786100]

約数ペア:

[(1, 12786100), (2, 6393050), (4, 3196525), (5, 2557220), (10, 1278610), (20, 639305), (25, 511444), (29, 440900), (50, 255722), (58, 220450), (100, 127861), (116, 110225), (145, 88180), (290, 44090), (580, 22045), (725, 17636), (1450, 8818), (2900, 4409)]