256604998416

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{20051}}^1\times {\mathrm{20509}}^1$

素因数の和:40584

約数の個数: 80

約数和(自身を含む): 713958678720

約数和(自身を除く): 457353680304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 20051, 20509, 40102, 41018, 60153, 61527, 80204, 82036, 120306, 123054, 160408, 164072, 240612, 246108, 260663, 266617, 320816, 328144, 481224, 492216, 521326, 533234, 781989, 799851, 962448, 984432, 1042652, 1066468, 1563978, 1599702, 2085304, 2132936, 3127956, 3199404, 4170608, 4265872, 6255912, 6398808, 12511824, 12797616, 411225959, 822451918, 1233677877, 1644903836, 2467355754, 3289807672, 4934711508, 5345937467, 6579615344, 9869423016, 10691874934, 16037812401, 19738846032, 21383749868, 32075624802, 42767499736, 64151249604, 85534999472, 128302499208, 256604998416]

約数ペア:

[(1, 256604998416), (2, 128302499208), (3, 85534999472), (4, 64151249604), (6, 42767499736), (8, 32075624802), (12, 21383749868), (13, 19738846032), (16, 16037812401), (24, 10691874934), (26, 9869423016), (39, 6579615344), (48, 5345937467), (52, 4934711508), (78, 3289807672), (104, 2467355754), (156, 1644903836), (208, 1233677877), (312, 822451918), (624, 411225959), (20051, 12797616), (20509, 12511824), (40102, 6398808), (41018, 6255912), (60153, 4265872), (61527, 4170608), (80204, 3199404), (82036, 3127956), (120306, 2132936), (123054, 2085304), (160408, 1599702), (164072, 1563978), (240612, 1066468), (246108, 1042652), (260663, 984432), (266617, 962448), (320816, 799851), (328144, 781989), (481224, 533234), (492216, 521326)]