25167020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 56259840

約数和(自身を除く): 31092820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 643, 1030, 1286, 1957, 2060, 2572, 3215, 3914, 6430, 7828, 9785, 12217, 12860, 19570, 24434, 39140, 48868, 61085, 66229, 122170, 132458, 244340, 264916, 331145, 662290, 1258351, 1324580, 2516702, 5033404, 6291755, 12583510, 25167020]

約数ペア:

[(1, 25167020), (2, 12583510), (4, 6291755), (5, 5033404), (10, 2516702), (19, 1324580), (20, 1258351), (38, 662290), (76, 331145), (95, 264916), (103, 244340), (190, 132458), (206, 122170), (380, 66229), (412, 61085), (515, 48868), (643, 39140), (1030, 24434), (1286, 19570), (1957, 12860), (2060, 12217), (2572, 9785), (3215, 7828), (3914, 6430)]