54119120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:804

約数の個数: 80

約数和(自身を含む): 139008960

約数和(自身を除く): 84889840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 356, 440, 445, 691, 712, 880, 890, 979, 1382, 1424, 1780, 1958, 2764, 3455, 3560, 3916, 4895, 5528, 6910, 7120, 7601, 7832, 9790, 11056, 13820, 15202, 15664, 19580, 27640, 30404, 38005, 39160, 55280, 60808, 61499, 76010, 78320, 121616, 122998, 152020, 245996, 304040, 307495, 491992, 608080, 614990, 676489, 983984, 1229980, 1352978, 2459960, 2705956, 3382445, 4919920, 5411912, 6764890, 10823824, 13529780, 27059560, 54119120]

約数ペア:

[(1, 54119120), (2, 27059560), (4, 13529780), (5, 10823824), (8, 6764890), (10, 5411912), (11, 4919920), (16, 3382445), (20, 2705956), (22, 2459960), (40, 1352978), (44, 1229980), (55, 983984), (80, 676489), (88, 614990), (89, 608080), (110, 491992), (176, 307495), (178, 304040), (220, 245996), (356, 152020), (440, 122998), (445, 121616), (691, 78320), (712, 76010), (880, 61499), (890, 60808), (979, 55280), (1382, 39160), (1424, 38005), (1780, 30404), (1958, 27640), (2764, 19580), (3455, 15664), (3560, 15202), (3916, 13820), (4895, 11056), (5528, 9790), (6910, 7832), (7120, 7601)]