13186820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 29272320

約数和(自身を除く): 16085500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 263, 436, 460, 526, 545, 1052, 1090, 1315, 2180, 2507, 2630, 5014, 5260, 6049, 10028, 12098, 12535, 24196, 25070, 28667, 30245, 50140, 57334, 60490, 114668, 120980, 143335, 286670, 573340, 659341, 1318682, 2637364, 3296705, 6593410, 13186820]

約数ペア:

[(1, 13186820), (2, 6593410), (4, 3296705), (5, 2637364), (10, 1318682), (20, 659341), (23, 573340), (46, 286670), (92, 143335), (109, 120980), (115, 114668), (218, 60490), (230, 57334), (263, 50140), (436, 30245), (460, 28667), (526, 25070), (545, 24196), (1052, 12535), (1090, 12098), (1315, 10028), (2180, 6049), (2507, 5260), (2630, 5014)]