12920110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{487}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 26703360

約数和(自身を除く): 13783250

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 379, 487, 758, 974, 1895, 2435, 2653, 3409, 3790, 4870, 5306, 6818, 13265, 17045, 26530, 34090, 184573, 369146, 922865, 1292011, 1845730, 2584022, 6460055, 12920110]

約数ペア:

[(1, 12920110), (2, 6460055), (5, 2584022), (7, 1845730), (10, 1292011), (14, 922865), (35, 369146), (70, 184573), (379, 34090), (487, 26530), (758, 17045), (974, 13265), (1895, 6818), (2435, 5306), (2653, 4870), (3409, 3790)]