65542160

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6451}}^1$

素因数の和:6591

約数の個数: 40

約数和(自身を含む): 153609216

約数和(自身を除く): 88067056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 6451, 10160, 12902, 25804, 32255, 51608, 64510, 103216, 129020, 258040, 516080, 819277, 1638554, 3277108, 4096385, 6554216, 8192770, 13108432, 16385540, 32771080, 65542160]

約数ペア:

[(1, 65542160), (2, 32771080), (4, 16385540), (5, 13108432), (8, 8192770), (10, 6554216), (16, 4096385), (20, 3277108), (40, 1638554), (80, 819277), (127, 516080), (254, 258040), (508, 129020), (635, 103216), (1016, 64510), (1270, 51608), (2032, 32255), (2540, 25804), (5080, 12902), (6451, 10160)]