12121489720

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2033807}}^1$

素因数の和:2033967

約数の個数: 32

約数和(自身を含む): 27456408000

約数和(自身を除く): 15334918280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 2033807, 4067614, 8135228, 10169035, 16270456, 20338070, 40676140, 81352280, 303037243, 606074486, 1212148972, 1515186215, 2424297944, 3030372430, 6060744860, 12121489720]

約数ペア:

[(1, 12121489720), (2, 6060744860), (4, 3030372430), (5, 2424297944), (8, 1515186215), (10, 1212148972), (20, 606074486), (40, 303037243), (149, 81352280), (298, 40676140), (596, 20338070), (745, 16270456), (1192, 10169035), (1490, 8135228), (2980, 4067614), (5960, 2033807)]