51365440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1044

約数の個数: 112

約数和(自身を含む): 146011392

約数和(自身を除く): 94645952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 644, 736, 805, 920, 997, 1120, 1288, 1472, 1610, 1840, 1994, 2240, 2576, 3220, 3680, 3988, 4985, 5152, 6440, 6979, 7360, 7976, 9970, 10304, 12880, 13958, 15952, 19940, 22931, 25760, 27916, 31904, 34895, 39880, 45862, 51520, 55832, 63808, 69790, 79760, 91724, 111664, 114655, 139580, 159520, 160517, 183448, 223328, 229310, 279160, 319040, 321034, 366896, 446656, 458620, 558320, 642068, 733792, 802585, 917240, 1116640, 1284136, 1467584, 1605170, 1834480, 2233280, 2568272, 3210340, 3668960, 5136544, 6420680, 7337920, 10273088, 12841360, 25682720, 51365440]

約数ペア:

[(1, 51365440), (2, 25682720), (4, 12841360), (5, 10273088), (7, 7337920), (8, 6420680), (10, 5136544), (14, 3668960), (16, 3210340), (20, 2568272), (23, 2233280), (28, 1834480), (32, 1605170), (35, 1467584), (40, 1284136), (46, 1116640), (56, 917240), (64, 802585), (70, 733792), (80, 642068), (92, 558320), (112, 458620), (115, 446656), (140, 366896), (160, 321034), (161, 319040), (184, 279160), (224, 229310), (230, 223328), (280, 183448), (320, 160517), (322, 159520), (368, 139580), (448, 114655), (460, 111664), (560, 91724), (644, 79760), (736, 69790), (805, 63808), (920, 55832), (997, 51520), (1120, 45862), (1288, 39880), (1472, 34895), (1610, 31904), (1840, 27916), (1994, 25760), (2240, 22931), (2576, 19940), (3220, 15952), (3680, 13958), (3988, 12880), (4985, 10304), (5152, 9970), (6440, 7976), (6979, 7360)]