51919120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1439}}^1$

素因数の和:1504

約数の個数: 80

約数和(自身を含む): 134991360

約数和(自身を除く): 83072240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 820, 880, 902, 1439, 1640, 1804, 2255, 2878, 3280, 3608, 4510, 5756, 7195, 7216, 9020, 11512, 14390, 15829, 18040, 23024, 28780, 31658, 36080, 57560, 58999, 63316, 79145, 115120, 117998, 126632, 158290, 235996, 253264, 294995, 316580, 471992, 589990, 633160, 648989, 943984, 1179980, 1266320, 1297978, 2359960, 2595956, 3244945, 4719920, 5191912, 6489890, 10383824, 12979780, 25959560, 51919120]

約数ペア:

[(1, 51919120), (2, 25959560), (4, 12979780), (5, 10383824), (8, 6489890), (10, 5191912), (11, 4719920), (16, 3244945), (20, 2595956), (22, 2359960), (40, 1297978), (41, 1266320), (44, 1179980), (55, 943984), (80, 648989), (82, 633160), (88, 589990), (110, 471992), (164, 316580), (176, 294995), (205, 253264), (220, 235996), (328, 158290), (410, 126632), (440, 117998), (451, 115120), (656, 79145), (820, 63316), (880, 58999), (902, 57560), (1439, 36080), (1640, 31658), (1804, 28780), (2255, 23024), (2878, 18040), (3280, 15829), (3608, 14390), (4510, 11512), (5756, 9020), (7195, 7216)]