39921520

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13487}}^1$

素因数の和:13537

約数の個数: 40

約数和(自身を含む): 95333184

約数和(自身を除く): 55411664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 13487, 26974, 53948, 67435, 107896, 134870, 215792, 269740, 499019, 539480, 998038, 1078960, 1996076, 2495095, 3992152, 4990190, 7984304, 9980380, 19960760, 39921520]

約数ペア:

[(1, 39921520), (2, 19960760), (4, 9980380), (5, 7984304), (8, 4990190), (10, 3992152), (16, 2495095), (20, 1996076), (37, 1078960), (40, 998038), (74, 539480), (80, 499019), (148, 269740), (185, 215792), (296, 134870), (370, 107896), (592, 67435), (740, 53948), (1480, 26974), (2960, 13487)]