40206855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 73156608

約数和(自身を除く): 32949753

約数列:

[1, 3, 5, 13, 15, 39, 41, 47, 65, 107, 123, 141, 195, 205, 235, 321, 533, 535, 611, 615, 705, 1391, 1599, 1605, 1833, 1927, 2665, 3055, 4173, 4387, 5029, 5781, 6955, 7995, 9165, 9635, 13161, 15087, 20865, 21935, 25051, 25145, 28905, 57031, 65377, 65805, 75153, 75435, 125255, 171093, 196131, 206189, 285155, 326885, 375765, 618567, 855465, 980655, 1030945, 2680457, 3092835, 8041371, 13402285, 40206855]

約数ペア:

[(1, 40206855), (3, 13402285), (5, 8041371), (13, 3092835), (15, 2680457), (39, 1030945), (41, 980655), (47, 855465), (65, 618567), (107, 375765), (123, 326885), (141, 285155), (195, 206189), (205, 196131), (235, 171093), (321, 125255), (533, 75435), (535, 75153), (611, 65805), (615, 65377), (705, 57031), (1391, 28905), (1599, 25145), (1605, 25051), (1833, 21935), (1927, 20865), (2665, 15087), (3055, 13161), (4173, 9635), (4387, 9165), (5029, 7995), (5781, 6955)]