39959920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:543

約数の個数: 160

約数和(自身を含む): 124992000

約数和(自身を除く): 85032080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 499, 520, 560, 572, 616, 715, 728, 770, 880, 910, 998, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1820, 1996, 2002, 2288, 2495, 2860, 3080, 3493, 3640, 3992, 4004, 4990, 5005, 5489, 5720, 6160, 6487, 6986, 7280, 7984, 8008, 9980, 10010, 10978, 11440, 12974, 13972, 16016, 17465, 19960, 20020, 21956, 25948, 27445, 27944, 32435, 34930, 38423, 39920, 40040, 43912, 45409, 51896, 54890, 55888, 64870, 69860, 71357, 76846, 80080, 87824, 90818, 103792, 109780, 129740, 139720, 142714, 153692, 181636, 192115, 219560, 227045, 259480, 279440, 285428, 307384, 356785, 363272, 384230, 439120, 454090, 499499, 518960, 570856, 614768, 713570, 726544, 768460, 908180, 998998, 1141712, 1427140, 1536920, 1816360, 1997996, 2497495, 2854280, 3073840, 3632720, 3995992, 4994990, 5708560, 7991984, 9989980, 19979960, 39959920]

約数ペア:

[(1, 39959920), (2, 19979960), (4, 9989980), (5, 7991984), (7, 5708560), (8, 4994990), (10, 3995992), (11, 3632720), (13, 3073840), (14, 2854280), (16, 2497495), (20, 1997996), (22, 1816360), (26, 1536920), (28, 1427140), (35, 1141712), (40, 998998), (44, 908180), (52, 768460), (55, 726544), (56, 713570), (65, 614768), (70, 570856), (77, 518960), (80, 499499), (88, 454090), (91, 439120), (104, 384230), (110, 363272), (112, 356785), (130, 307384), (140, 285428), (143, 279440), (154, 259480), (176, 227045), (182, 219560), (208, 192115), (220, 181636), (260, 153692), (280, 142714), (286, 139720), (308, 129740), (364, 109780), (385, 103792), (440, 90818), (455, 87824), (499, 80080), (520, 76846), (560, 71357), (572, 69860), (616, 64870), (715, 55888), (728, 54890), (770, 51896), (880, 45409), (910, 43912), (998, 40040), (1001, 39920), (1040, 38423), (1144, 34930), (1232, 32435), (1430, 27944), (1456, 27445), (1540, 25948), (1820, 21956), (1996, 20020), (2002, 19960), (2288, 17465), (2495, 16016), (2860, 13972), (3080, 12974), (3493, 11440), (3640, 10978), (3992, 10010), (4004, 9980), (4990, 8008), (5005, 7984), (5489, 7280), (5720, 6986), (6160, 6487)]