1042324840

素因数分解:

$2^3\times 5^1\times {\mathrm{2543}}^1\times {\mathrm{10247}}^1$

素因数の和:12801

約数の個数: 32

約数和(自身を含む): 2346382080

約数和(自身を除く): 1304057240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2543, 5086, 10172, 10247, 12715, 20344, 20494, 25430, 40988, 50860, 51235, 81976, 101720, 102470, 204940, 409880, 26058121, 52116242, 104232484, 130290605, 208464968, 260581210, 521162420, 1042324840]

約数ペア:

[(1, 1042324840), (2, 521162420), (4, 260581210), (5, 208464968), (8, 130290605), (10, 104232484), (20, 52116242), (40, 26058121), (2543, 409880), (5086, 204940), (10172, 102470), (10247, 101720), (12715, 81976), (20344, 51235), (20494, 50860), (25430, 40988)]