28298660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3511}}^1$

素因数の和:3564

約数の個数: 48

約数和(自身を含む): 66081792

約数和(自身を除く): 37783132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 3511, 4030, 7022, 8060, 14044, 17555, 35110, 45643, 70220, 91286, 108841, 182572, 217682, 228215, 435364, 456430, 544205, 912860, 1088410, 1414933, 2176820, 2829866, 5659732, 7074665, 14149330, 28298660]

約数ペア:

[(1, 28298660), (2, 14149330), (4, 7074665), (5, 5659732), (10, 2829866), (13, 2176820), (20, 1414933), (26, 1088410), (31, 912860), (52, 544205), (62, 456430), (65, 435364), (124, 228215), (130, 217682), (155, 182572), (260, 108841), (310, 91286), (403, 70220), (620, 45643), (806, 35110), (1612, 17555), (2015, 14044), (3511, 8060), (4030, 7022)]