54128440

素因数分解:

$2^3\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1543}}^1$

素因数の和:2431

約数の個数: 32

約数和(自身を含む): 122006880

約数和(自身を除く): 67878440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 877, 1543, 1754, 3086, 3508, 4385, 6172, 7016, 7715, 8770, 12344, 15430, 17540, 30860, 35080, 61720, 1353211, 2706422, 5412844, 6766055, 10825688, 13532110, 27064220, 54128440]

約数ペア:

[(1, 54128440), (2, 27064220), (4, 13532110), (5, 10825688), (8, 6766055), (10, 5412844), (20, 2706422), (40, 1353211), (877, 61720), (1543, 35080), (1754, 30860), (3086, 17540), (3508, 15430), (4385, 12344), (6172, 8770), (7016, 7715)]