71385760

素因数分解:

$2^5\times 5^1\times {\mathrm{503}}^1\times {\mathrm{887}}^1$

素因数の和:1405

約数の個数: 48

約数和(自身を含む): 169174656

約数和(自身を除く): 97788896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 503, 887, 1006, 1774, 2012, 2515, 3548, 4024, 4435, 5030, 7096, 8048, 8870, 10060, 14192, 16096, 17740, 20120, 28384, 35480, 40240, 70960, 80480, 141920, 446161, 892322, 1784644, 2230805, 3569288, 4461610, 7138576, 8923220, 14277152, 17846440, 35692880, 71385760]

約数ペア:

[(1, 71385760), (2, 35692880), (4, 17846440), (5, 14277152), (8, 8923220), (10, 7138576), (16, 4461610), (20, 3569288), (32, 2230805), (40, 1784644), (80, 892322), (160, 446161), (503, 141920), (887, 80480), (1006, 70960), (1774, 40240), (2012, 35480), (2515, 28384), (3548, 20120), (4024, 17740), (4435, 16096), (5030, 14192), (7096, 10060), (8048, 8870)]