51360980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1487}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 118492416

約数和(自身を除く): 67131436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1487, 1570, 1727, 2974, 3140, 3454, 5948, 6908, 7435, 8635, 14870, 16357, 17270, 29740, 32714, 34540, 65428, 81785, 163570, 233459, 327140, 466918, 933836, 1167295, 2334590, 2568049, 4669180, 5136098, 10272196, 12840245, 25680490, 51360980]

約数ペア:

[(1, 51360980), (2, 25680490), (4, 12840245), (5, 10272196), (10, 5136098), (11, 4669180), (20, 2568049), (22, 2334590), (44, 1167295), (55, 933836), (110, 466918), (157, 327140), (220, 233459), (314, 163570), (628, 81785), (785, 65428), (1487, 34540), (1570, 32714), (1727, 29740), (2974, 17270), (3140, 16357), (3454, 14870), (5948, 8635), (6908, 7435)]