216020740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{830849}}^1$

素因数の和:830871

約数の個数: 24

約数和(自身を含む): 488539800

約数和(自身を除く): 272519060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 830849, 1661698, 3323396, 4154245, 8308490, 10801037, 16616980, 21602074, 43204148, 54005185, 108010370, 216020740]

約数ペア:

[(1, 216020740), (2, 108010370), (4, 54005185), (5, 43204148), (10, 21602074), (13, 16616980), (20, 10801037), (26, 8308490), (52, 4154245), (65, 3323396), (130, 1661698), (260, 830849)]