25889720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 61585920

約数和(自身を除く): 35696200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 107, 115, 184, 214, 230, 263, 428, 460, 526, 535, 856, 920, 1052, 1070, 1315, 2104, 2140, 2461, 2630, 4280, 4922, 5260, 6049, 9844, 10520, 12098, 12305, 19688, 24196, 24610, 28141, 30245, 48392, 49220, 56282, 60490, 98440, 112564, 120980, 140705, 225128, 241960, 281410, 562820, 647243, 1125640, 1294486, 2588972, 3236215, 5177944, 6472430, 12944860, 25889720]

約数ペア:

[(1, 25889720), (2, 12944860), (4, 6472430), (5, 5177944), (8, 3236215), (10, 2588972), (20, 1294486), (23, 1125640), (40, 647243), (46, 562820), (92, 281410), (107, 241960), (115, 225128), (184, 140705), (214, 120980), (230, 112564), (263, 98440), (428, 60490), (460, 56282), (526, 49220), (535, 48392), (856, 30245), (920, 28141), (1052, 24610), (1070, 24196), (1315, 19688), (2104, 12305), (2140, 12098), (2461, 10520), (2630, 9844), (4280, 6049), (4922, 5260)]