67575920

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9491}}^1$

素因数の和:9593

約数の個数: 40

約数和(自身を含む): 158896080

約数和(自身を除く): 91320160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 9491, 18982, 37964, 47455, 75928, 94910, 151856, 189820, 379640, 759280, 844699, 1689398, 3378796, 4223495, 6757592, 8446990, 13515184, 16893980, 33787960, 67575920]

約数ペア:

[(1, 67575920), (2, 33787960), (4, 16893980), (5, 13515184), (8, 8446990), (10, 6757592), (16, 4223495), (20, 3378796), (40, 1689398), (80, 844699), (89, 759280), (178, 379640), (356, 189820), (445, 151856), (712, 94910), (890, 75928), (1424, 47455), (1780, 37964), (3560, 18982), (7120, 9491)]