66456640

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2141}}^1$

素因数の和:2255

約数の個数: 56

約数和(自身を含む): 159955992

約数和(自身を除く): 93499352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 776, 970, 1552, 1940, 2141, 3104, 3880, 4282, 6208, 7760, 8564, 10705, 15520, 17128, 21410, 31040, 34256, 42820, 68512, 85640, 137024, 171280, 207677, 342560, 415354, 685120, 830708, 1038385, 1661416, 2076770, 3322832, 4153540, 6645664, 8307080, 13291328, 16614160, 33228320, 66456640]

約数ペア:

[(1, 66456640), (2, 33228320), (4, 16614160), (5, 13291328), (8, 8307080), (10, 6645664), (16, 4153540), (20, 3322832), (32, 2076770), (40, 1661416), (64, 1038385), (80, 830708), (97, 685120), (160, 415354), (194, 342560), (320, 207677), (388, 171280), (485, 137024), (776, 85640), (970, 68512), (1552, 42820), (1940, 34256), (2141, 31040), (3104, 21410), (3880, 17128), (4282, 15520), (6208, 10705), (7760, 8564)]