8520880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2477}}^1$

素因数の和:2533

約数の個数: 40

約数和(自身を含む): 20279952

約数和(自身を除く): 11759072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2477, 3440, 4954, 9908, 12385, 19816, 24770, 39632, 49540, 99080, 106511, 198160, 213022, 426044, 532555, 852088, 1065110, 1704176, 2130220, 4260440, 8520880]

約数ペア:

[(1, 8520880), (2, 4260440), (4, 2130220), (5, 1704176), (8, 1065110), (10, 852088), (16, 532555), (20, 426044), (40, 213022), (43, 198160), (80, 106511), (86, 99080), (172, 49540), (215, 39632), (344, 24770), (430, 19816), (688, 12385), (860, 9908), (1720, 4954), (2477, 3440)]