12513800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4813}}^1$

素因数の和:4842

約数の個数: 48

約数和(自身を含む): 31339140

約数和(自身を除く): 18825340

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 4813, 9626, 19252, 24065, 38504, 48130, 62569, 96260, 120325, 125138, 192520, 240650, 250276, 312845, 481300, 500552, 625690, 962600, 1251380, 1564225, 2502760, 3128450, 6256900, 12513800]

約数ペア:

[(1, 12513800), (2, 6256900), (4, 3128450), (5, 2502760), (8, 1564225), (10, 1251380), (13, 962600), (20, 625690), (25, 500552), (26, 481300), (40, 312845), (50, 250276), (52, 240650), (65, 192520), (100, 125138), (104, 120325), (130, 96260), (200, 62569), (260, 48130), (325, 38504), (520, 24065), (650, 19252), (1300, 9626), (2600, 4813)]