42740540

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{6961}}^1$

素因数の和:7277

約数の個数: 24

約数和(自身を含む): 90060432

約数和(自身を除く): 47319892

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 6961, 13922, 27844, 34805, 69610, 139220, 2137027, 4274054, 8548108, 10685135, 21370270, 42740540]

約数ペア:

[(1, 42740540), (2, 21370270), (4, 10685135), (5, 8548108), (10, 4274054), (20, 2137027), (307, 139220), (614, 69610), (1228, 34805), (1535, 27844), (3070, 13922), (6140, 6961)]