55900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:70

約数の個数: 36

約数和(自身を含む): 133672

約数和(自身を除く): 77772

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 325, 430, 559, 650, 860, 1075, 1118, 1300, 2150, 2236, 2795, 4300, 5590, 11180, 13975, 27950, 55900]

約数ペア:

[(1, 55900), (2, 27950), (4, 13975), (5, 11180), (10, 5590), (13, 4300), (20, 2795), (25, 2236), (26, 2150), (43, 1300), (50, 1118), (52, 1075), (65, 860), (86, 650), (100, 559), (130, 430), (172, 325), (215, 260)]