2011444240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{9719}}^1$

素因数の和:9944

約数の個数: 80

約数和(自身を含む): 5062176000

約数和(自身を除く): 3050731760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 199, 208, 260, 398, 520, 796, 995, 1040, 1592, 1990, 2587, 3184, 3980, 5174, 7960, 9719, 10348, 12935, 15920, 19438, 20696, 25870, 38876, 41392, 48595, 51740, 77752, 97190, 103480, 126347, 155504, 194380, 206960, 252694, 388760, 505388, 631735, 777520, 1010776, 1263470, 1934081, 2021552, 2526940, 3868162, 5053880, 7736324, 9670405, 10107760, 15472648, 19340810, 25143053, 30945296, 38681620, 50286106, 77363240, 100572212, 125715265, 154726480, 201144424, 251430530, 402288848, 502861060, 1005722120, 2011444240]

約数ペア:

[(1, 2011444240), (2, 1005722120), (4, 502861060), (5, 402288848), (8, 251430530), (10, 201144424), (13, 154726480), (16, 125715265), (20, 100572212), (26, 77363240), (40, 50286106), (52, 38681620), (65, 30945296), (80, 25143053), (104, 19340810), (130, 15472648), (199, 10107760), (208, 9670405), (260, 7736324), (398, 5053880), (520, 3868162), (796, 2526940), (995, 2021552), (1040, 1934081), (1592, 1263470), (1990, 1010776), (2587, 777520), (3184, 631735), (3980, 505388), (5174, 388760), (7960, 252694), (9719, 206960), (10348, 194380), (12935, 155504), (15920, 126347), (19438, 103480), (20696, 97190), (25870, 77752), (38876, 51740), (41392, 48595)]