40756240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:345

約数の個数: 120

約数和(自身を含む): 113611032

約数和(自身を除く): 72854792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 185, 196, 245, 259, 280, 281, 296, 370, 392, 490, 518, 560, 562, 592, 740, 784, 980, 1036, 1124, 1295, 1405, 1480, 1813, 1960, 1967, 2072, 2248, 2590, 2810, 2960, 3626, 3920, 3934, 4144, 4496, 5180, 5620, 7252, 7868, 9065, 9835, 10360, 10397, 11240, 13769, 14504, 15736, 18130, 19670, 20720, 20794, 22480, 27538, 29008, 31472, 36260, 39340, 41588, 51985, 55076, 68845, 72520, 72779, 78680, 83176, 103970, 110152, 137690, 145040, 145558, 157360, 166352, 207940, 220304, 275380, 291116, 363895, 415880, 509453, 550760, 582232, 727790, 831760, 1018906, 1101520, 1164464, 1455580, 2037812, 2547265, 2911160, 4075624, 5094530, 5822320, 8151248, 10189060, 20378120, 40756240]

約数ペア:

[(1, 40756240), (2, 20378120), (4, 10189060), (5, 8151248), (7, 5822320), (8, 5094530), (10, 4075624), (14, 2911160), (16, 2547265), (20, 2037812), (28, 1455580), (35, 1164464), (37, 1101520), (40, 1018906), (49, 831760), (56, 727790), (70, 582232), (74, 550760), (80, 509453), (98, 415880), (112, 363895), (140, 291116), (148, 275380), (185, 220304), (196, 207940), (245, 166352), (259, 157360), (280, 145558), (281, 145040), (296, 137690), (370, 110152), (392, 103970), (490, 83176), (518, 78680), (560, 72779), (562, 72520), (592, 68845), (740, 55076), (784, 51985), (980, 41588), (1036, 39340), (1124, 36260), (1295, 31472), (1405, 29008), (1480, 27538), (1813, 22480), (1960, 20794), (1967, 20720), (2072, 19670), (2248, 18130), (2590, 15736), (2810, 14504), (2960, 13769), (3626, 11240), (3920, 10397), (3934, 10360), (4144, 9835), (4496, 9065), (5180, 7868), (5620, 7252)]