80159020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{727}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 174283200

約数和(自身を除く): 94124180

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 149, 185, 298, 370, 596, 727, 740, 745, 1454, 1490, 2908, 2980, 3635, 5513, 7270, 11026, 14540, 22052, 26899, 27565, 53798, 55130, 107596, 108323, 110260, 134495, 216646, 268990, 433292, 537980, 541615, 1083230, 2166460, 4007951, 8015902, 16031804, 20039755, 40079510, 80159020]

約数ペア:

[(1, 80159020), (2, 40079510), (4, 20039755), (5, 16031804), (10, 8015902), (20, 4007951), (37, 2166460), (74, 1083230), (148, 541615), (149, 537980), (185, 433292), (298, 268990), (370, 216646), (596, 134495), (727, 110260), (740, 108323), (745, 107596), (1454, 55130), (1490, 53798), (2908, 27565), (2980, 26899), (3635, 22052), (5513, 14540), (7270, 11026)]