15941320

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2909}}^1$

素因数の和:3057

約数の個数: 32

約数和(自身を含む): 36142200

約数和(自身を除く): 20200880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 2909, 5480, 5818, 11636, 14545, 23272, 29090, 58180, 116360, 398533, 797066, 1594132, 1992665, 3188264, 3985330, 7970660, 15941320]

約数ペア:

[(1, 15941320), (2, 7970660), (4, 3985330), (5, 3188264), (8, 1992665), (10, 1594132), (20, 797066), (40, 398533), (137, 116360), (274, 58180), (548, 29090), (685, 23272), (1096, 14545), (1370, 11636), (2740, 5818), (2909, 5480)]