855347125

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 1154829312

約数和(自身を除く): 299482187

約数列:

[1, 5, 25, 41, 47, 53, 67, 125, 205, 235, 265, 335, 1025, 1175, 1325, 1675, 1927, 2173, 2491, 2747, 3149, 3551, 5125, 5875, 6625, 8375, 9635, 10865, 12455, 13735, 15745, 17755, 48175, 54325, 62275, 68675, 78725, 88775, 102131, 129109, 145591, 166897, 240875, 271625, 311375, 343375, 393625, 443875, 510655, 645545, 727955, 834485, 2553275, 3227725, 3639775, 4172425, 6842777, 12766375, 16138625, 18198875, 20862125, 34213885, 171069425, 855347125]

約数ペア:

[(1, 855347125), (5, 171069425), (25, 34213885), (41, 20862125), (47, 18198875), (53, 16138625), (67, 12766375), (125, 6842777), (205, 4172425), (235, 3639775), (265, 3227725), (335, 2553275), (1025, 834485), (1175, 727955), (1325, 645545), (1675, 510655), (1927, 443875), (2173, 393625), (2491, 343375), (2747, 311375), (3149, 271625), (3551, 240875), (5125, 166897), (5875, 145591), (6625, 129109), (8375, 102131), (9635, 88775), (10865, 78725), (12455, 68675), (13735, 62275), (15745, 54325), (17755, 48175)]