82688120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23227}}^1$

素因数の和:23327

約数の個数: 32

約数和(自身を含む): 188146800

約数和(自身を除く): 105458680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 23227, 46454, 92908, 116135, 185816, 232270, 464540, 929080, 2067203, 4134406, 8268812, 10336015, 16537624, 20672030, 41344060, 82688120]

約数ペア:

[(1, 82688120), (2, 41344060), (4, 20672030), (5, 16537624), (8, 10336015), (10, 8268812), (20, 4134406), (40, 2067203), (89, 929080), (178, 464540), (356, 232270), (445, 185816), (712, 116135), (890, 92908), (1780, 46454), (3560, 23227)]