16394940440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8720713}}^1$

素因数の和:8720771

約数の個数: 32

約数和(自身を含む): 37673484480

約数和(自身を除く): 21278544040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 8720713, 17441426, 34882852, 43603565, 69765704, 87207130, 174414260, 348828520, 409873511, 819747022, 1639494044, 2049367555, 3278988088, 4098735110, 8197470220, 16394940440]

約数ペア:

[(1, 16394940440), (2, 8197470220), (4, 4098735110), (5, 3278988088), (8, 2049367555), (10, 1639494044), (20, 819747022), (40, 409873511), (47, 348828520), (94, 174414260), (188, 87207130), (235, 69765704), (376, 43603565), (470, 34882852), (940, 17441426), (1880, 8720713)]