140041945

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1\times {\mathrm{809}}^1$

素因数の和:1292

約数の個数: 16

約数和(自身を含む): 170586000

約数和(自身を除く): 30544055

約数列:

[1, 5, 89, 389, 445, 809, 1945, 4045, 34621, 72001, 173105, 314701, 360005, 1573505, 28008389, 140041945]

約数ペア:

[(1, 140041945), (5, 28008389), (89, 1573505), (389, 360005), (445, 314701), (809, 173105), (1945, 72001), (4045, 34621)]