40026742

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 70943040

約数和(自身を除く): 30916298

約数列:

[1, 2, 7, 14, 41, 82, 137, 274, 287, 509, 574, 959, 1018, 1918, 3563, 5617, 7126, 11234, 20869, 39319, 41738, 69733, 78638, 139466, 146083, 292166, 488131, 976262, 2859053, 5718106, 20013371, 40026742]

約数ペア:

[(1, 40026742), (2, 20013371), (7, 5718106), (14, 2859053), (41, 976262), (82, 488131), (137, 292166), (274, 146083), (287, 139466), (509, 78638), (574, 69733), (959, 41738), (1018, 39319), (1918, 20869), (3563, 11234), (5617, 7126)]