28991360

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{467}}^1$

素因数の和:583

約数の個数: 64

約数和(自身を含む): 70171920

約数和(自身を除く): 41180560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 467, 485, 640, 776, 934, 970, 1552, 1868, 1940, 2335, 3104, 3736, 3880, 4670, 6208, 7472, 7760, 9340, 12416, 14944, 15520, 18680, 29888, 31040, 37360, 45299, 59776, 62080, 74720, 90598, 149440, 181196, 226495, 298880, 362392, 452990, 724784, 905980, 1449568, 1811960, 2899136, 3623920, 5798272, 7247840, 14495680, 28991360]

約数ペア:

[(1, 28991360), (2, 14495680), (4, 7247840), (5, 5798272), (8, 3623920), (10, 2899136), (16, 1811960), (20, 1449568), (32, 905980), (40, 724784), (64, 452990), (80, 362392), (97, 298880), (128, 226495), (160, 181196), (194, 149440), (320, 90598), (388, 74720), (467, 62080), (485, 59776), (640, 45299), (776, 37360), (934, 31040), (970, 29888), (1552, 18680), (1868, 15520), (1940, 14944), (2335, 12416), (3104, 9340), (3736, 7760), (3880, 7472), (4670, 6208)]