87287780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{52583}}^1$

素因数の和:52675

約数の個数: 24

約数和(自身を含む): 185516352

約数和(自身を除く): 98228572

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 52583, 105166, 210332, 262915, 525830, 1051660, 4364389, 8728778, 17457556, 21821945, 43643890, 87287780]

約数ペア:

[(1, 87287780), (2, 43643890), (4, 21821945), (5, 17457556), (10, 8728778), (20, 4364389), (83, 1051660), (166, 525830), (332, 262915), (415, 210332), (830, 105166), (1660, 52583)]