42140005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 56448000

約数和(自身を除く): 14307995

約数列:

[1, 5, 19, 31, 41, 95, 155, 205, 349, 589, 779, 1271, 1745, 2945, 3895, 6355, 6631, 10819, 14309, 24149, 33155, 54095, 71545, 120745, 205561, 271871, 443579, 1027805, 1359355, 2217895, 8428001, 42140005]

約数ペア:

[(1, 42140005), (5, 8428001), (19, 2217895), (31, 1359355), (41, 1027805), (95, 443579), (155, 271871), (205, 205561), (349, 120745), (589, 71545), (779, 54095), (1271, 33155), (1745, 24149), (2945, 14309), (3895, 10819), (6355, 6631)]