68285540

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{2293}}^1$

素因数の和:3791

約数の個数: 24

約数和(自身を含む): 143558520

約数和(自身を除く): 75272980

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2293, 2978, 4586, 5956, 7445, 9172, 11465, 14890, 22930, 29780, 45860, 3414277, 6828554, 13657108, 17071385, 34142770, 68285540]

約数ペア:

[(1, 68285540), (2, 34142770), (4, 17071385), (5, 13657108), (10, 6828554), (20, 3414277), (1489, 45860), (2293, 29780), (2978, 22930), (4586, 14890), (5956, 11465), (7445, 9172)]