12618440

素因数分解:

$2^3\times 5^1\times {\mathrm{315461}}^1$

素因数の和:315472

約数の個数: 16

約数和(自身を含む): 28391580

約数和(自身を除く): 15773140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 315461, 630922, 1261844, 1577305, 2523688, 3154610, 6309220, 12618440]

約数ペア:

[(1, 12618440), (2, 6309220), (4, 3154610), (5, 2523688), (8, 1577305), (10, 1261844), (20, 630922), (40, 315461)]