51779440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 127277568

約数和(自身を除く): 75498128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 107, 115, 184, 214, 230, 263, 368, 428, 460, 526, 535, 856, 920, 1052, 1070, 1315, 1712, 1840, 2104, 2140, 2461, 2630, 4208, 4280, 4922, 5260, 6049, 8560, 9844, 10520, 12098, 12305, 19688, 21040, 24196, 24610, 28141, 30245, 39376, 48392, 49220, 56282, 60490, 96784, 98440, 112564, 120980, 140705, 196880, 225128, 241960, 281410, 450256, 483920, 562820, 647243, 1125640, 1294486, 2251280, 2588972, 3236215, 5177944, 6472430, 10355888, 12944860, 25889720, 51779440]

約数ペア:

[(1, 51779440), (2, 25889720), (4, 12944860), (5, 10355888), (8, 6472430), (10, 5177944), (16, 3236215), (20, 2588972), (23, 2251280), (40, 1294486), (46, 1125640), (80, 647243), (92, 562820), (107, 483920), (115, 450256), (184, 281410), (214, 241960), (230, 225128), (263, 196880), (368, 140705), (428, 120980), (460, 112564), (526, 98440), (535, 96784), (856, 60490), (920, 56282), (1052, 49220), (1070, 48392), (1315, 39376), (1712, 30245), (1840, 28141), (2104, 24610), (2140, 24196), (2461, 21040), (2630, 19688), (4208, 12305), (4280, 12098), (4922, 10520), (5260, 9844), (6049, 8560)]