90127640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{118589}}^1$

素因数の和:118619

約数の個数: 32

約数和(自身を含む): 213462000

約数和(自身を除く): 123334360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 118589, 237178, 474356, 592945, 948712, 1185890, 2253191, 2371780, 4506382, 4743560, 9012764, 11265955, 18025528, 22531910, 45063820, 90127640]

約数ペア:

[(1, 90127640), (2, 45063820), (4, 22531910), (5, 18025528), (8, 11265955), (10, 9012764), (19, 4743560), (20, 4506382), (38, 2371780), (40, 2253191), (76, 1185890), (95, 948712), (152, 592945), (190, 474356), (380, 237178), (760, 118589)]