21665781800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1619}}^1\times {\mathrm{5147}}^1$

素因数の和:6795

約数の個数: 96

約数和(自身を含む): 54291837600

約数和(自身を除く): 32626055800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 1619, 2600, 3238, 5147, 6476, 8095, 10294, 12952, 16190, 20588, 21047, 25735, 32380, 40475, 41176, 42094, 51470, 64760, 66911, 80950, 84188, 102940, 105235, 128675, 133822, 161900, 168376, 205880, 210470, 257350, 267644, 323800, 334555, 420940, 514700, 526175, 535288, 669110, 841880, 1029400, 1052350, 1338220, 1672775, 2104700, 2676440, 3345550, 4209400, 6691100, 8332993, 13382200, 16665986, 33331972, 41664965, 66663944, 83329930, 108328909, 166659860, 208324825, 216657818, 333319720, 416649650, 433315636, 541644545, 833299300, 866631272, 1083289090, 1666598600, 2166578180, 2708222725, 4333156360, 5416445450, 10832890900, 21665781800]

約数ペア:

[(1, 21665781800), (2, 10832890900), (4, 5416445450), (5, 4333156360), (8, 2708222725), (10, 2166578180), (13, 1666598600), (20, 1083289090), (25, 866631272), (26, 833299300), (40, 541644545), (50, 433315636), (52, 416649650), (65, 333319720), (100, 216657818), (104, 208324825), (130, 166659860), (200, 108328909), (260, 83329930), (325, 66663944), (520, 41664965), (650, 33331972), (1300, 16665986), (1619, 13382200), (2600, 8332993), (3238, 6691100), (5147, 4209400), (6476, 3345550), (8095, 2676440), (10294, 2104700), (12952, 1672775), (16190, 1338220), (20588, 1052350), (21047, 1029400), (25735, 841880), (32380, 669110), (40475, 535288), (41176, 526175), (42094, 514700), (51470, 420940), (64760, 334555), (66911, 323800), (80950, 267644), (84188, 257350), (102940, 210470), (105235, 205880), (128675, 168376), (133822, 161900)]