82820080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2083}}^1$

素因数の和:2174

約数の個数: 80

約数和(自身を含む): 223271424

約数和(自身を除く): 140451344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2083, 2485, 2840, 3976, 4166, 4970, 5680, 7952, 8332, 9940, 10415, 14581, 16664, 19880, 20830, 29162, 33328, 39760, 41660, 58324, 72905, 83320, 116648, 145810, 147893, 166640, 233296, 291620, 295786, 583240, 591572, 739465, 1035251, 1166480, 1183144, 1478930, 2070502, 2366288, 2957860, 4141004, 5176255, 5915720, 8282008, 10352510, 11831440, 16564016, 20705020, 41410040, 82820080]

約数ペア:

[(1, 82820080), (2, 41410040), (4, 20705020), (5, 16564016), (7, 11831440), (8, 10352510), (10, 8282008), (14, 5915720), (16, 5176255), (20, 4141004), (28, 2957860), (35, 2366288), (40, 2070502), (56, 1478930), (70, 1183144), (71, 1166480), (80, 1035251), (112, 739465), (140, 591572), (142, 583240), (280, 295786), (284, 291620), (355, 233296), (497, 166640), (560, 147893), (568, 145810), (710, 116648), (994, 83320), (1136, 72905), (1420, 58324), (1988, 41660), (2083, 39760), (2485, 33328), (2840, 29162), (3976, 20830), (4166, 19880), (4970, 16664), (5680, 14581), (7952, 10415), (8332, 9940)]