64119760

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6311}}^1$

素因数の和:6451

約数の個数: 40

約数和(自身を含む): 150276096

約数和(自身を除く): 86156336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 6311, 10160, 12622, 25244, 31555, 50488, 63110, 100976, 126220, 252440, 504880, 801497, 1602994, 3205988, 4007485, 6411976, 8014970, 12823952, 16029940, 32059880, 64119760]

約数ペア:

[(1, 64119760), (2, 32059880), (4, 16029940), (5, 12823952), (8, 8014970), (10, 6411976), (16, 4007485), (20, 3205988), (40, 1602994), (80, 801497), (127, 504880), (254, 252440), (508, 126220), (635, 100976), (1016, 63110), (1270, 50488), (2032, 31555), (2540, 25244), (5080, 12622), (6311, 10160)]