29580020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 64810368

約数和(自身を除く): 35230348

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 563, 710, 740, 1126, 1420, 2252, 2627, 2815, 5254, 5630, 10508, 11260, 13135, 20831, 26270, 39973, 41662, 52540, 79946, 83324, 104155, 159892, 199865, 208310, 399730, 416620, 799460, 1479001, 2958002, 5916004, 7395005, 14790010, 29580020]

約数ペア:

[(1, 29580020), (2, 14790010), (4, 7395005), (5, 5916004), (10, 2958002), (20, 1479001), (37, 799460), (71, 416620), (74, 399730), (142, 208310), (148, 199865), (185, 159892), (284, 104155), (355, 83324), (370, 79946), (563, 52540), (710, 41662), (740, 39973), (1126, 26270), (1420, 20831), (2252, 13135), (2627, 11260), (2815, 10508), (5254, 5630)]