26301260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 57728160

約数和(自身を除く): 31426900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 137, 145, 274, 290, 331, 548, 580, 662, 685, 1324, 1370, 1655, 2740, 3310, 3973, 6620, 7946, 9599, 15892, 19198, 19865, 38396, 39730, 45347, 47995, 79460, 90694, 95990, 181388, 191980, 226735, 453470, 906940, 1315063, 2630126, 5260252, 6575315, 13150630, 26301260]

約数ペア:

[(1, 26301260), (2, 13150630), (4, 6575315), (5, 5260252), (10, 2630126), (20, 1315063), (29, 906940), (58, 453470), (116, 226735), (137, 191980), (145, 181388), (274, 95990), (290, 90694), (331, 79460), (548, 47995), (580, 45347), (662, 39730), (685, 38396), (1324, 19865), (1370, 19198), (1655, 15892), (2740, 9599), (3310, 7946), (3973, 6620)]