12289460

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{941}}^1$

素因数の和:1603

約数の個数: 24

約数和(自身を含む): 25874856

約数和(自身を除く): 13585396

約数列:

[1, 2, 4, 5, 10, 20, 653, 941, 1306, 1882, 2612, 3265, 3764, 4705, 6530, 9410, 13060, 18820, 614473, 1228946, 2457892, 3072365, 6144730, 12289460]

約数ペア:

[(1, 12289460), (2, 6144730), (4, 3072365), (5, 2457892), (10, 1228946), (20, 614473), (653, 18820), (941, 13060), (1306, 9410), (1882, 6530), (2612, 4705), (3265, 3764)]