12131800

素因数分解:

$2^3\times 5^2\times {\mathrm{60659}}^1$

素因数の和:60675

約数の個数: 24

約数和(自身を含む): 28206900

約数和(自身を除く): 16075100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 60659, 121318, 242636, 303295, 485272, 606590, 1213180, 1516475, 2426360, 3032950, 6065900, 12131800]

約数ペア:

[(1, 12131800), (2, 6065900), (4, 3032950), (5, 2426360), (8, 1516475), (10, 1213180), (20, 606590), (25, 485272), (40, 303295), (50, 242636), (100, 121318), (200, 60659)]