27872840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{509}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 64581300

約数和(自身を除く): 36708460

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 509, 740, 1018, 1369, 1480, 2036, 2545, 2738, 4072, 5090, 5476, 6845, 10180, 10952, 13690, 18833, 20360, 27380, 37666, 54760, 75332, 94165, 150664, 188330, 376660, 696821, 753320, 1393642, 2787284, 3484105, 5574568, 6968210, 13936420, 27872840]

約数ペア:

[(1, 27872840), (2, 13936420), (4, 6968210), (5, 5574568), (8, 3484105), (10, 2787284), (20, 1393642), (37, 753320), (40, 696821), (74, 376660), (148, 188330), (185, 150664), (296, 94165), (370, 75332), (509, 54760), (740, 37666), (1018, 27380), (1369, 20360), (1480, 18833), (2036, 13690), (2545, 10952), (2738, 10180), (4072, 6845), (5090, 5476)]