40820255

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 58544640

約数和(自身を除く): 17724385

約数列:

[1, 5, 7, 29, 35, 131, 145, 203, 307, 655, 917, 1015, 1535, 2149, 3799, 4585, 8903, 10745, 18995, 26593, 40217, 44515, 62321, 132965, 201085, 281519, 311605, 1166293, 1407595, 5831465, 8164051, 40820255]

約数ペア:

[(1, 40820255), (5, 8164051), (7, 5831465), (29, 1407595), (35, 1166293), (131, 311605), (145, 281519), (203, 201085), (307, 132965), (655, 62321), (917, 44515), (1015, 40217), (1535, 26593), (2149, 18995), (3799, 10745), (4585, 8903)]