254248640

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{8191}}^1$

素因数の和:8305

約数の個数: 56

約数和(自身を含む): 611745792

約数和(自身を除く): 357497152

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, 3104, 3880, 6208, 7760, 8191, 15520, 16382, 31040, 32764, 40955, 65528, 81910, 131056, 163820, 262112, 327640, 524224, 655280, 794527, 1310560, 1589054, 2621120, 3178108, 3972635, 6356216, 7945270, 12712432, 15890540, 25424864, 31781080, 50849728, 63562160, 127124320, 254248640]

約数ペア:

[(1, 254248640), (2, 127124320), (4, 63562160), (5, 50849728), (8, 31781080), (10, 25424864), (16, 15890540), (20, 12712432), (32, 7945270), (40, 6356216), (64, 3972635), (80, 3178108), (97, 2621120), (160, 1589054), (194, 1310560), (320, 794527), (388, 655280), (485, 524224), (776, 327640), (970, 262112), (1552, 163820), (1940, 131056), (3104, 81910), (3880, 65528), (6208, 40955), (7760, 32764), (8191, 31040), (15520, 16382)]