50340640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{6421}}^1$

素因数の和:6450

約数の個数: 72

約数和(自身を含む): 138368412

約数和(自身を除く): 88027772

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 6421, 7840, 12842, 25684, 32105, 44947, 51368, 64210, 89894, 102736, 128420, 179788, 205472, 224735, 256840, 314629, 359576, 449470, 513680, 629258, 719152, 898940, 1027360, 1258516, 1438304, 1573145, 1797880, 2517032, 3146290, 3595760, 5034064, 6292580, 7191520, 10068128, 12585160, 25170320, 50340640]

約数ペア:

[(1, 50340640), (2, 25170320), (4, 12585160), (5, 10068128), (7, 7191520), (8, 6292580), (10, 5034064), (14, 3595760), (16, 3146290), (20, 2517032), (28, 1797880), (32, 1573145), (35, 1438304), (40, 1258516), (49, 1027360), (56, 898940), (70, 719152), (80, 629258), (98, 513680), (112, 449470), (140, 359576), (160, 314629), (196, 256840), (224, 224735), (245, 205472), (280, 179788), (392, 128420), (490, 102736), (560, 89894), (784, 64210), (980, 51368), (1120, 44947), (1568, 32105), (1960, 25684), (3920, 12842), (6421, 7840)]