25499630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2687}}^1$

素因数の和:2780

約数の個数: 32

約数和(自身を含む): 50125824

約数和(自身を除く): 24626194

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 2687, 4745, 5374, 9490, 13435, 26870, 34931, 69862, 174655, 196151, 349310, 392302, 980755, 1961510, 2549963, 5099926, 12749815, 25499630]

約数ペア:

[(1, 25499630), (2, 12749815), (5, 5099926), (10, 2549963), (13, 1961510), (26, 980755), (65, 392302), (73, 349310), (130, 196151), (146, 174655), (365, 69862), (730, 34931), (949, 26870), (1898, 13435), (2687, 9490), (4745, 5374)]