15656360

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2857}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 35496360

約数和(自身を除く): 19840000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 2857, 5480, 5714, 11428, 14285, 22856, 28570, 57140, 114280, 391409, 782818, 1565636, 1957045, 3131272, 3914090, 7828180, 15656360]

約数ペア:

[(1, 15656360), (2, 7828180), (4, 3914090), (5, 3131272), (8, 1957045), (10, 1565636), (20, 782818), (40, 391409), (137, 114280), (274, 57140), (548, 28570), (685, 22856), (1096, 14285), (1370, 11428), (2740, 5714), (2857, 5480)]