71917120

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20431}}^1$

素因数の和:20459

約数の個数: 56

約数和(自身を含む): 186830208

約数和(自身を除く): 114913088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 20431, 40862, 81724, 102155, 163448, 204310, 224741, 326896, 408620, 449482, 653792, 817240, 898964, 1123705, 1307584, 1634480, 1797928, 2247410, 3268960, 3595856, 4494820, 6537920, 7191712, 8989640, 14383424, 17979280, 35958560, 71917120]

約数ペア:

[(1, 71917120), (2, 35958560), (4, 17979280), (5, 14383424), (8, 8989640), (10, 7191712), (11, 6537920), (16, 4494820), (20, 3595856), (22, 3268960), (32, 2247410), (40, 1797928), (44, 1634480), (55, 1307584), (64, 1123705), (80, 898964), (88, 817240), (110, 653792), (160, 449482), (176, 408620), (220, 326896), (320, 224741), (352, 204310), (440, 163448), (704, 102155), (880, 81724), (1760, 40862), (3520, 20431)]