56495120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1493}}^1$

素因数の和:1560

約数の個数: 80

約数和(自身を含む): 146722752

約数和(自身を除く): 90227632

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1493, 1720, 1892, 2365, 2986, 3440, 3784, 4730, 5972, 7465, 7568, 9460, 11944, 14930, 16423, 18920, 23888, 29860, 32846, 37840, 59720, 64199, 65692, 82115, 119440, 128398, 131384, 164230, 256796, 262768, 320995, 328460, 513592, 641990, 656920, 706189, 1027184, 1283980, 1313840, 1412378, 2567960, 2824756, 3530945, 5135920, 5649512, 7061890, 11299024, 14123780, 28247560, 56495120]

約数ペア:

[(1, 56495120), (2, 28247560), (4, 14123780), (5, 11299024), (8, 7061890), (10, 5649512), (11, 5135920), (16, 3530945), (20, 2824756), (22, 2567960), (40, 1412378), (43, 1313840), (44, 1283980), (55, 1027184), (80, 706189), (86, 656920), (88, 641990), (110, 513592), (172, 328460), (176, 320995), (215, 262768), (220, 256796), (344, 164230), (430, 131384), (440, 128398), (473, 119440), (688, 82115), (860, 65692), (880, 64199), (946, 59720), (1493, 37840), (1720, 32846), (1892, 29860), (2365, 23888), (2986, 18920), (3440, 16423), (3784, 14930), (4730, 11944), (5972, 9460), (7465, 7568)]