13256480

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2857}}^1$

素因数の和:2901

約数の個数: 48

約数和(自身を含む): 32409720

約数和(自身を除く): 19153240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 2857, 4640, 5714, 11428, 14285, 22856, 28570, 45712, 57140, 82853, 91424, 114280, 165706, 228560, 331412, 414265, 457120, 662824, 828530, 1325648, 1657060, 2651296, 3314120, 6628240, 13256480]

約数ペア:

[(1, 13256480), (2, 6628240), (4, 3314120), (5, 2651296), (8, 1657060), (10, 1325648), (16, 828530), (20, 662824), (29, 457120), (32, 414265), (40, 331412), (58, 228560), (80, 165706), (116, 114280), (145, 91424), (160, 82853), (232, 57140), (290, 45712), (464, 28570), (580, 22856), (928, 14285), (1160, 11428), (2320, 5714), (2857, 4640)]