2000827160

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{12409}}^1$

素因数の和:12588

約数の個数: 64

約数和(自身を含む): 4690980000

約数和(自身を除く): 2690152840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 139, 145, 232, 278, 290, 556, 580, 695, 1112, 1160, 1390, 2780, 4031, 5560, 8062, 12409, 16124, 20155, 24818, 32248, 40310, 49636, 62045, 80620, 99272, 124090, 161240, 248180, 359861, 496360, 719722, 1439444, 1724851, 1799305, 2878888, 3449702, 3598610, 6899404, 7197220, 8624255, 13798808, 14394440, 17248510, 34497020, 50020679, 68994040, 100041358, 200082716, 250103395, 400165432, 500206790, 1000413580, 2000827160]

約数ペア:

[(1, 2000827160), (2, 1000413580), (4, 500206790), (5, 400165432), (8, 250103395), (10, 200082716), (20, 100041358), (29, 68994040), (40, 50020679), (58, 34497020), (116, 17248510), (139, 14394440), (145, 13798808), (232, 8624255), (278, 7197220), (290, 6899404), (556, 3598610), (580, 3449702), (695, 2878888), (1112, 1799305), (1160, 1724851), (1390, 1439444), (2780, 719722), (4031, 496360), (5560, 359861), (8062, 248180), (12409, 161240), (16124, 124090), (20155, 99272), (24818, 80620), (32248, 62045), (40310, 49636)]