87011240

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{7853}}^1$

素因数の和:8141

約数の個数: 32

約数和(自身を含む): 196507080

約数和(自身を除く): 109495840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 7853, 11080, 15706, 31412, 39265, 62824, 78530, 157060, 314120, 2175281, 4350562, 8701124, 10876405, 17402248, 21752810, 43505620, 87011240]

約数ペア:

[(1, 87011240), (2, 43505620), (4, 21752810), (5, 17402248), (8, 10876405), (10, 8701124), (20, 4350562), (40, 2175281), (277, 314120), (554, 157060), (1108, 78530), (1385, 62824), (2216, 39265), (2770, 31412), (5540, 15706), (7853, 11080)]