20100781610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{11681}}^1$

素因数の和:11800

約数の個数: 128

約数和(自身を含む): 46725009408

約数和(自身を除く): 26624227798

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 61, 62, 65, 70, 91, 122, 130, 155, 182, 217, 305, 310, 403, 427, 434, 455, 610, 793, 806, 854, 910, 1085, 1586, 1891, 2015, 2135, 2170, 2821, 3782, 3965, 4030, 4270, 5551, 5642, 7930, 9455, 11102, 11681, 13237, 14105, 18910, 23362, 24583, 26474, 27755, 28210, 49166, 55510, 58405, 66185, 81767, 116810, 122915, 132370, 151853, 163534, 172081, 245830, 303706, 344162, 362111, 408835, 712541, 724222, 759265, 817670, 860405, 1062971, 1425082, 1518530, 1720810, 1810555, 2125942, 2534777, 3562705, 3621110, 4707443, 4987787, 5069554, 5314855, 7125410, 9263033, 9414886, 9975574, 10629710, 12673885, 18526066, 22088771, 23537215, 24938935, 25347770, 32952101, 44177542, 46315165, 47074430, 49877870, 64841231, 65904202, 92630330, 110443855, 129682462, 154621397, 164760505, 220887710, 287154023, 309242794, 324206155, 329521010, 574308046, 648412310, 773106985, 1435770115, 1546213970, 2010078161, 2871540230, 4020156322, 10050390805, 20100781610]

約数ペア:

[(1, 20100781610), (2, 10050390805), (5, 4020156322), (7, 2871540230), (10, 2010078161), (13, 1546213970), (14, 1435770115), (26, 773106985), (31, 648412310), (35, 574308046), (61, 329521010), (62, 324206155), (65, 309242794), (70, 287154023), (91, 220887710), (122, 164760505), (130, 154621397), (155, 129682462), (182, 110443855), (217, 92630330), (305, 65904202), (310, 64841231), (403, 49877870), (427, 47074430), (434, 46315165), (455, 44177542), (610, 32952101), (793, 25347770), (806, 24938935), (854, 23537215), (910, 22088771), (1085, 18526066), (1586, 12673885), (1891, 10629710), (2015, 9975574), (2135, 9414886), (2170, 9263033), (2821, 7125410), (3782, 5314855), (3965, 5069554), (4030, 4987787), (4270, 4707443), (5551, 3621110), (5642, 3562705), (7930, 2534777), (9455, 2125942), (11102, 1810555), (11681, 1720810), (13237, 1518530), (14105, 1425082), (18910, 1062971), (23362, 860405), (24583, 817670), (26474, 759265), (27755, 724222), (28210, 712541), (49166, 408835), (55510, 362111), (58405, 344162), (66185, 303706), (81767, 245830), (116810, 172081), (122915, 163534), (132370, 151853)]