268889270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{20479}}^1$

素因数の和:20600

約数の個数: 32

約数和(自身を含む): 526417920

約数和(自身を除く): 257528650

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 1010, 1313, 2626, 6565, 13130, 20479, 40958, 102395, 204790, 266227, 532454, 1331135, 2068379, 2662270, 4136758, 10341895, 20683790, 26888927, 53777854, 134444635, 268889270]

約数ペア:

[(1, 268889270), (2, 134444635), (5, 53777854), (10, 26888927), (13, 20683790), (26, 10341895), (65, 4136758), (101, 2662270), (130, 2068379), (202, 1331135), (505, 532454), (1010, 266227), (1313, 204790), (2626, 102395), (6565, 40958), (13130, 20479)]