65110280

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^2\times {\mathrm{173}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 148879620

約数和(自身を除く): 83769340

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 173, 194, 346, 388, 485, 692, 776, 865, 970, 1384, 1730, 1940, 3460, 3880, 6920, 9409, 16781, 18818, 33562, 37636, 47045, 67124, 75272, 83905, 94090, 134248, 167810, 188180, 335620, 376360, 671240, 1627757, 3255514, 6511028, 8138785, 13022056, 16277570, 32555140, 65110280]

約数ペア:

[(1, 65110280), (2, 32555140), (4, 16277570), (5, 13022056), (8, 8138785), (10, 6511028), (20, 3255514), (40, 1627757), (97, 671240), (173, 376360), (194, 335620), (346, 188180), (388, 167810), (485, 134248), (692, 94090), (776, 83905), (865, 75272), (970, 67124), (1384, 47045), (1730, 37636), (1940, 33562), (3460, 18818), (3880, 16781), (6920, 9409)]