12955600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{661}}^1$

素因数の和:693

約数の個数: 90

約数和(自身を含む): 36262374

約数和(自身を除く): 23306774

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 661, 700, 784, 980, 1225, 1322, 1400, 1960, 2450, 2644, 2800, 3305, 3920, 4627, 4900, 5288, 6610, 9254, 9800, 10576, 13220, 16525, 18508, 19600, 23135, 26440, 32389, 33050, 37016, 46270, 52880, 64778, 66100, 74032, 92540, 115675, 129556, 132200, 161945, 185080, 231350, 259112, 264400, 323890, 370160, 462700, 518224, 647780, 809725, 925400, 1295560, 1619450, 1850800, 2591120, 3238900, 6477800, 12955600]

約数ペア:

[(1, 12955600), (2, 6477800), (4, 3238900), (5, 2591120), (7, 1850800), (8, 1619450), (10, 1295560), (14, 925400), (16, 809725), (20, 647780), (25, 518224), (28, 462700), (35, 370160), (40, 323890), (49, 264400), (50, 259112), (56, 231350), (70, 185080), (80, 161945), (98, 132200), (100, 129556), (112, 115675), (140, 92540), (175, 74032), (196, 66100), (200, 64778), (245, 52880), (280, 46270), (350, 37016), (392, 33050), (400, 32389), (490, 26440), (560, 23135), (661, 19600), (700, 18508), (784, 16525), (980, 13220), (1225, 10576), (1322, 9800), (1400, 9254), (1960, 6610), (2450, 5288), (2644, 4900), (2800, 4627), (3305, 3920)]