25959560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1439}}^1$

素因数の和:1502

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 39358840

約数列:

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

約数ペア:

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