89397260

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{61231}}^1$

素因数の和:61313

約数の個数: 24

約数和(自身を含む): 190309056

約数和(自身を除く): 100911796

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 61231, 122462, 244924, 306155, 612310, 1224620, 4469863, 8939726, 17879452, 22349315, 44698630, 89397260]

約数ペア:

[(1, 89397260), (2, 44698630), (4, 22349315), (5, 17879452), (10, 8939726), (20, 4469863), (73, 1224620), (146, 612310), (292, 306155), (365, 244924), (730, 122462), (1460, 61231)]