26298640

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3389}}^1$

素因数の和:3499

約数の個数: 40

約数和(自身を含む): 61792920

約数和(自身を除く): 35494280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3389, 3880, 6778, 7760, 13556, 16945, 27112, 33890, 54224, 67780, 135560, 271120, 328733, 657466, 1314932, 1643665, 2629864, 3287330, 5259728, 6574660, 13149320, 26298640]

約数ペア:

[(1, 26298640), (2, 13149320), (4, 6574660), (5, 5259728), (8, 3287330), (10, 2629864), (16, 1643665), (20, 1314932), (40, 657466), (80, 328733), (97, 271120), (194, 135560), (388, 67780), (485, 54224), (776, 33890), (970, 27112), (1552, 16945), (1940, 13556), (3389, 7760), (3880, 6778)]