996847760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{303917}}^1$

素因数の和:303971

約数の個数: 40

約数和(自身を含む): 2374207416

約数和(自身を除く): 1377359656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 303917, 607834, 1215668, 1519585, 2431336, 3039170, 4862672, 6078340, 12156680, 12460597, 24313360, 24921194, 49842388, 62302985, 99684776, 124605970, 199369552, 249211940, 498423880, 996847760]

約数ペア:

[(1, 996847760), (2, 498423880), (4, 249211940), (5, 199369552), (8, 124605970), (10, 99684776), (16, 62302985), (20, 49842388), (40, 24921194), (41, 24313360), (80, 12460597), (82, 12156680), (164, 6078340), (205, 4862672), (328, 3039170), (410, 2431336), (656, 1519585), (820, 1215668), (1640, 607834), (3280, 303917)]