2016180400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{387727}}^1$

素因数の和:387758

約数の個数: 60

約数和(自身を含む): 5216492512

約数和(自身を除く): 3200312112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 387727, 775454, 1550908, 1938635, 3101816, 3877270, 5040451, 6203632, 7754540, 9693175, 10080902, 15509080, 19386350, 20161804, 25202255, 31018160, 38772700, 40323608, 50404510, 77545400, 80647216, 100809020, 126011275, 155090800, 201618040, 252022550, 403236080, 504045100, 1008090200, 2016180400]

約数ペア:

[(1, 2016180400), (2, 1008090200), (4, 504045100), (5, 403236080), (8, 252022550), (10, 201618040), (13, 155090800), (16, 126011275), (20, 100809020), (25, 80647216), (26, 77545400), (40, 50404510), (50, 40323608), (52, 38772700), (65, 31018160), (80, 25202255), (100, 20161804), (104, 19386350), (130, 15509080), (200, 10080902), (208, 9693175), (260, 7754540), (325, 6203632), (400, 5040451), (520, 3877270), (650, 3101816), (1040, 1938635), (1300, 1550908), (2600, 775454), (5200, 387727)]