90990160

素因数分解:

$2^4\times 5^1\times {\mathrm{283}}^1\times {\mathrm{4019}}^1$

素因数の和:4315

約数の個数: 40

約数和(自身を含む): 212352480

約数和(自身を除く): 121362320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 283, 566, 1132, 1415, 2264, 2830, 4019, 4528, 5660, 8038, 11320, 16076, 20095, 22640, 32152, 40190, 64304, 80380, 160760, 321520, 1137377, 2274754, 4549508, 5686885, 9099016, 11373770, 18198032, 22747540, 45495080, 90990160]

約数ペア:

[(1, 90990160), (2, 45495080), (4, 22747540), (5, 18198032), (8, 11373770), (10, 9099016), (16, 5686885), (20, 4549508), (40, 2274754), (80, 1137377), (283, 321520), (566, 160760), (1132, 80380), (1415, 64304), (2264, 40190), (2830, 32152), (4019, 22640), (4528, 20095), (5660, 16076), (8038, 11320)]