826563920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113539}}^1$

素因数の和:113572

約数の個数: 80

約数和(自身を含む): 2365265280

約数和(自身を除く): 1538701360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 113539, 227078, 454156, 567695, 794773, 908312, 1135390, 1476007, 1589546, 1816624, 2270780, 2952014, 3179092, 3973865, 4541560, 5904028, 6358184, 7380035, 7947730, 9083120, 10332049, 11808056, 12716368, 14760070, 15895460, 20664098, 23616112, 29520140, 31790920, 41328196, 51660245, 59040280, 63581840, 82656392, 103320490, 118080560, 165312784, 206640980, 413281960, 826563920]

約数ペア:

[(1, 826563920), (2, 413281960), (4, 206640980), (5, 165312784), (7, 118080560), (8, 103320490), (10, 82656392), (13, 63581840), (14, 59040280), (16, 51660245), (20, 41328196), (26, 31790920), (28, 29520140), (35, 23616112), (40, 20664098), (52, 15895460), (56, 14760070), (65, 12716368), (70, 11808056), (80, 10332049), (91, 9083120), (104, 7947730), (112, 7380035), (130, 6358184), (140, 5904028), (182, 4541560), (208, 3973865), (260, 3179092), (280, 2952014), (364, 2270780), (455, 1816624), (520, 1589546), (560, 1476007), (728, 1135390), (910, 908312), (1040, 794773), (1456, 567695), (1820, 454156), (3640, 227078), (7280, 113539)]