25840220

素因数分解:

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

素因数の和:882

約数の個数: 48

約数和(自身を含む): 62307840

約数和(自身を除く): 36467620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 379, 487, 758, 974, 1516, 1895, 1948, 2435, 2653, 3409, 3790, 4870, 5306, 6818, 7580, 9740, 10612, 13265, 13636, 17045, 26530, 34090, 53060, 68180, 184573, 369146, 738292, 922865, 1292011, 1845730, 2584022, 3691460, 5168044, 6460055, 12920110, 25840220]

約数ペア:

[(1, 25840220), (2, 12920110), (4, 6460055), (5, 5168044), (7, 3691460), (10, 2584022), (14, 1845730), (20, 1292011), (28, 922865), (35, 738292), (70, 369146), (140, 184573), (379, 68180), (487, 53060), (758, 34090), (974, 26530), (1516, 17045), (1895, 13636), (1948, 13265), (2435, 10612), (2653, 9740), (3409, 7580), (3790, 6818), (4870, 5306)]