254718440

素因数分解:

$2^3\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{4127}}^1$

素因数の和:5681

約数の個数: 32

約数和(自身を含む): 573626880

約数和(自身を除く): 318908440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1543, 3086, 4127, 6172, 7715, 8254, 12344, 15430, 16508, 20635, 30860, 33016, 41270, 61720, 82540, 165080, 6367961, 12735922, 25471844, 31839805, 50943688, 63679610, 127359220, 254718440]

約数ペア:

[(1, 254718440), (2, 127359220), (4, 63679610), (5, 50943688), (8, 31839805), (10, 25471844), (20, 12735922), (40, 6367961), (1543, 165080), (3086, 82540), (4127, 61720), (6172, 41270), (7715, 33016), (8254, 30860), (12344, 20635), (15430, 16508)]