87003670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21589}}^1$

素因数の和:21640

約数の個数: 32

約数和(自身を含む): 174101760

約数和(自身を除く): 87098090

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 21589, 43178, 107945, 215890, 280657, 561314, 669259, 1338518, 1403285, 2806570, 3346295, 6692590, 8700367, 17400734, 43501835, 87003670]

約数ペア:

[(1, 87003670), (2, 43501835), (5, 17400734), (10, 8700367), (13, 6692590), (26, 3346295), (31, 2806570), (62, 1403285), (65, 1338518), (130, 669259), (155, 561314), (310, 280657), (403, 215890), (806, 107945), (2015, 43178), (4030, 21589)]