51904720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13241}}^1$

素因数の和:13268

約数の個数: 60

約数和(自身を含む): 140391684

約数和(自身を除く): 88486964

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 13241, 26482, 52964, 66205, 92687, 105928, 132410, 185374, 211856, 264820, 370748, 463435, 529640, 648809, 741496, 926870, 1059280, 1297618, 1482992, 1853740, 2595236, 3244045, 3707480, 5190472, 6488090, 7414960, 10380944, 12976180, 25952360, 51904720]

約数ペア:

[(1, 51904720), (2, 25952360), (4, 12976180), (5, 10380944), (7, 7414960), (8, 6488090), (10, 5190472), (14, 3707480), (16, 3244045), (20, 2595236), (28, 1853740), (35, 1482992), (40, 1297618), (49, 1059280), (56, 926870), (70, 741496), (80, 648809), (98, 529640), (112, 463435), (140, 370748), (196, 264820), (245, 211856), (280, 185374), (392, 132410), (490, 105928), (560, 92687), (784, 66205), (980, 52964), (1960, 26482), (3920, 13241)]