73129520

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10271}}^1$

素因数の和:10373

約数の個数: 40

約数和(自身を含む): 171953280

約数和(自身を除く): 98823760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 10271, 20542, 41084, 51355, 82168, 102710, 164336, 205420, 410840, 821680, 914119, 1828238, 3656476, 4570595, 7312952, 9141190, 14625904, 18282380, 36564760, 73129520]

約数ペア:

[(1, 73129520), (2, 36564760), (4, 18282380), (5, 14625904), (8, 9141190), (10, 7312952), (16, 4570595), (20, 3656476), (40, 1828238), (80, 914119), (89, 821680), (178, 410840), (356, 205420), (445, 164336), (712, 102710), (890, 82168), (1424, 51355), (1780, 41084), (3560, 20542), (7120, 10271)]