71755360

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5039}}^1$

素因数の和:5143

約数の個数: 48

約数和(自身を含む): 171460800

約数和(自身を除く): 99705440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5039, 7120, 10078, 14240, 20156, 25195, 40312, 50390, 80624, 100780, 161248, 201560, 403120, 448471, 806240, 896942, 1793884, 2242355, 3587768, 4484710, 7175536, 8969420, 14351072, 17938840, 35877680, 71755360]

約数ペア:

[(1, 71755360), (2, 35877680), (4, 17938840), (5, 14351072), (8, 8969420), (10, 7175536), (16, 4484710), (20, 3587768), (32, 2242355), (40, 1793884), (80, 896942), (89, 806240), (160, 448471), (178, 403120), (356, 201560), (445, 161248), (712, 100780), (890, 80624), (1424, 50390), (1780, 40312), (2848, 25195), (3560, 20156), (5039, 14240), (7120, 10078)]