2637280

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 6368544

約数和(自身を除く): 3731264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 311, 424, 530, 622, 848, 1060, 1244, 1555, 1696, 2120, 2488, 3110, 4240, 4976, 6220, 8480, 9952, 12440, 16483, 24880, 32966, 49760, 65932, 82415, 131864, 164830, 263728, 329660, 527456, 659320, 1318640, 2637280]

約数ペア:

[(1, 2637280), (2, 1318640), (4, 659320), (5, 527456), (8, 329660), (10, 263728), (16, 164830), (20, 131864), (32, 82415), (40, 65932), (53, 49760), (80, 32966), (106, 24880), (160, 16483), (212, 12440), (265, 9952), (311, 8480), (424, 6220), (530, 4976), (622, 4240), (848, 3110), (1060, 2488), (1244, 2120), (1555, 1696)]