31089560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:800

約数の個数: 64

約数和(自身を含む): 74649600

約数和(自身を除く): 43560040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 719, 920, 940, 1081, 1438, 1880, 2162, 2876, 3595, 4324, 5405, 5752, 7190, 8648, 10810, 14380, 16537, 21620, 28760, 33074, 33793, 43240, 66148, 67586, 82685, 132296, 135172, 165370, 168965, 270344, 330740, 337930, 661480, 675860, 777239, 1351720, 1554478, 3108956, 3886195, 6217912, 7772390, 15544780, 31089560]

約数ペア:

[(1, 31089560), (2, 15544780), (4, 7772390), (5, 6217912), (8, 3886195), (10, 3108956), (20, 1554478), (23, 1351720), (40, 777239), (46, 675860), (47, 661480), (92, 337930), (94, 330740), (115, 270344), (184, 168965), (188, 165370), (230, 135172), (235, 132296), (376, 82685), (460, 67586), (470, 66148), (719, 43240), (920, 33793), (940, 33074), (1081, 28760), (1438, 21620), (1880, 16537), (2162, 14380), (2876, 10810), (3595, 8648), (4324, 7190), (5405, 5752)]