27400180

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4139}}^1$

素因数の和:4479

約数の個数: 24

約数和(自身を含む): 57728160

約数和(自身を除く): 30327980

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 4139, 6620, 8278, 16556, 20695, 41390, 82780, 1370009, 2740018, 5480036, 6850045, 13700090, 27400180]

約数ペア:

[(1, 27400180), (2, 13700090), (4, 6850045), (5, 5480036), (10, 2740018), (20, 1370009), (331, 82780), (662, 41390), (1324, 20695), (1655, 16556), (3310, 8278), (4139, 6620)]