42905680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 103993344

約数和(自身を除く): 61087664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 103, 127, 164, 205, 206, 254, 328, 410, 412, 508, 515, 635, 656, 820, 824, 1016, 1030, 1270, 1640, 1648, 2032, 2060, 2540, 3280, 4120, 4223, 5080, 5207, 8240, 8446, 10160, 10414, 13081, 16892, 20828, 21115, 26035, 26162, 33784, 41656, 42230, 52070, 52324, 65405, 67568, 83312, 84460, 104140, 104648, 130810, 168920, 208280, 209296, 261620, 337840, 416560, 523240, 536321, 1046480, 1072642, 2145284, 2681605, 4290568, 5363210, 8581136, 10726420, 21452840, 42905680]

約数ペア:

[(1, 42905680), (2, 21452840), (4, 10726420), (5, 8581136), (8, 5363210), (10, 4290568), (16, 2681605), (20, 2145284), (40, 1072642), (41, 1046480), (80, 536321), (82, 523240), (103, 416560), (127, 337840), (164, 261620), (205, 209296), (206, 208280), (254, 168920), (328, 130810), (410, 104648), (412, 104140), (508, 84460), (515, 83312), (635, 67568), (656, 65405), (820, 52324), (824, 52070), (1016, 42230), (1030, 41656), (1270, 33784), (1640, 26162), (1648, 26035), (2032, 21115), (2060, 20828), (2540, 16892), (3280, 13081), (4120, 10414), (4223, 10160), (5080, 8446), (5207, 8240)]