90072340

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{22861}}^1$

素因数の和:23067

約数の個数: 24

約数和(自身を含む): 190120392

約数和(自身を除く): 100048052

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 22861, 45722, 91444, 114305, 228610, 457220, 4503617, 9007234, 18014468, 22518085, 45036170, 90072340]

約数ペア:

[(1, 90072340), (2, 45036170), (4, 22518085), (5, 18014468), (10, 9007234), (20, 4503617), (197, 457220), (394, 228610), (788, 114305), (985, 91444), (1970, 45722), (3940, 22861)]