40905514

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{22159}}^1$

素因数の和:22245

約数の個数: 16

約数和(自身を含む): 67011840

約数和(自身を除く): 26106326

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 22159, 44318, 288067, 576134, 1573289, 3146578, 20452757, 40905514]

約数ペア:

[(1, 40905514), (2, 20452757), (13, 3146578), (26, 1573289), (71, 576134), (142, 288067), (923, 44318), (1846, 22159)]