4158260

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{809}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 8777160

約数和(自身を除く): 4618900

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 809, 1028, 1285, 1618, 2570, 3236, 4045, 5140, 8090, 16180, 207913, 415826, 831652, 1039565, 2079130, 4158260]

約数ペア:

[(1, 4158260), (2, 2079130), (4, 1039565), (5, 831652), (10, 415826), (20, 207913), (257, 16180), (514, 8090), (809, 5140), (1028, 4045), (1285, 3236), (1618, 2570)]