51627280

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6653}}^1$

素因数の和:6763

約数の個数: 40

約数和(自身を含む): 121289112

約数和(自身を除く): 69661832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 6653, 7760, 13306, 26612, 33265, 53224, 66530, 106448, 133060, 266120, 532240, 645341, 1290682, 2581364, 3226705, 5162728, 6453410, 10325456, 12906820, 25813640, 51627280]

約数ペア:

[(1, 51627280), (2, 25813640), (4, 12906820), (5, 10325456), (8, 6453410), (10, 5162728), (16, 3226705), (20, 2581364), (40, 1290682), (80, 645341), (97, 532240), (194, 266120), (388, 133060), (485, 106448), (776, 66530), (970, 53224), (1552, 33265), (1940, 26612), (3880, 13306), (6653, 7760)]