12509930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 23760000

約数和(自身を除く): 11250070

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 499, 545, 998, 1090, 2495, 2507, 4990, 5014, 11477, 12535, 22954, 25070, 54391, 57385, 108782, 114770, 271955, 543910, 1250993, 2501986, 6254965, 12509930]

約数ペア:

[(1, 12509930), (2, 6254965), (5, 2501986), (10, 1250993), (23, 543910), (46, 271955), (109, 114770), (115, 108782), (218, 57385), (230, 54391), (499, 25070), (545, 22954), (998, 12535), (1090, 11477), (2495, 5014), (2507, 4990)]