31335920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5087}}^1$

素因数の和:5118

約数の個数: 80

約数和(自身を含む): 90851328

約数和(自身を除く): 59515408

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 5087, 6160, 10174, 20348, 25435, 35609, 40696, 50870, 55957, 71218, 81392, 101740, 111914, 142436, 178045, 203480, 223828, 279785, 284872, 356090, 391699, 406960, 447656, 559570, 569744, 712180, 783398, 895312, 1119140, 1424360, 1566796, 1958495, 2238280, 2848720, 3133592, 3916990, 4476560, 6267184, 7833980, 15667960, 31335920]

約数ペア:

[(1, 31335920), (2, 15667960), (4, 7833980), (5, 6267184), (7, 4476560), (8, 3916990), (10, 3133592), (11, 2848720), (14, 2238280), (16, 1958495), (20, 1566796), (22, 1424360), (28, 1119140), (35, 895312), (40, 783398), (44, 712180), (55, 569744), (56, 559570), (70, 447656), (77, 406960), (80, 391699), (88, 356090), (110, 284872), (112, 279785), (140, 223828), (154, 203480), (176, 178045), (220, 142436), (280, 111914), (308, 101740), (385, 81392), (440, 71218), (560, 55957), (616, 50870), (770, 40696), (880, 35609), (1232, 25435), (1540, 20348), (3080, 10174), (5087, 6160)]