40988360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 114048000

約数和(自身を除く): 73059640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 79, 85, 109, 119, 136, 140, 158, 170, 218, 238, 280, 316, 340, 395, 436, 476, 545, 553, 595, 632, 680, 763, 790, 872, 952, 1090, 1106, 1190, 1343, 1526, 1580, 1853, 2180, 2212, 2380, 2686, 2765, 3052, 3160, 3706, 3815, 4360, 4424, 4760, 5372, 5530, 6104, 6715, 7412, 7630, 8611, 9265, 9401, 10744, 11060, 12971, 13430, 14824, 15260, 17222, 18530, 18802, 22120, 25942, 26860, 30520, 34444, 37060, 37604, 43055, 47005, 51884, 53720, 60277, 64855, 68888, 74120, 75208, 86110, 94010, 103768, 120554, 129710, 146387, 172220, 188020, 241108, 259420, 292774, 301385, 344440, 376040, 482216, 518840, 585548, 602770, 731935, 1024709, 1171096, 1205540, 1463870, 2049418, 2411080, 2927740, 4098836, 5123545, 5855480, 8197672, 10247090, 20494180, 40988360]

約数ペア:

[(1, 40988360), (2, 20494180), (4, 10247090), (5, 8197672), (7, 5855480), (8, 5123545), (10, 4098836), (14, 2927740), (17, 2411080), (20, 2049418), (28, 1463870), (34, 1205540), (35, 1171096), (40, 1024709), (56, 731935), (68, 602770), (70, 585548), (79, 518840), (85, 482216), (109, 376040), (119, 344440), (136, 301385), (140, 292774), (158, 259420), (170, 241108), (218, 188020), (238, 172220), (280, 146387), (316, 129710), (340, 120554), (395, 103768), (436, 94010), (476, 86110), (545, 75208), (553, 74120), (595, 68888), (632, 64855), (680, 60277), (763, 53720), (790, 51884), (872, 47005), (952, 43055), (1090, 37604), (1106, 37060), (1190, 34444), (1343, 30520), (1526, 26860), (1580, 25942), (1853, 22120), (2180, 18802), (2212, 18530), (2380, 17222), (2686, 15260), (2765, 14824), (3052, 13430), (3160, 12971), (3706, 11060), (3815, 10744), (4360, 9401), (4424, 9265), (4760, 8611), (5372, 7630), (5530, 7412), (6104, 6715)]