27478420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 60213888

約数和(自身を除く): 32735468

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 523, 710, 740, 1046, 1420, 2092, 2615, 2627, 5230, 5254, 10460, 10508, 13135, 19351, 26270, 37133, 38702, 52540, 74266, 77404, 96755, 148532, 185665, 193510, 371330, 387020, 742660, 1373921, 2747842, 5495684, 6869605, 13739210, 27478420]

約数ペア:

[(1, 27478420), (2, 13739210), (4, 6869605), (5, 5495684), (10, 2747842), (20, 1373921), (37, 742660), (71, 387020), (74, 371330), (142, 193510), (148, 185665), (185, 148532), (284, 96755), (355, 77404), (370, 74266), (523, 52540), (710, 38702), (740, 37133), (1046, 26270), (1420, 19351), (2092, 13135), (2615, 10508), (2627, 10460), (5230, 5254)]