2648653640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2136011}}^1$

素因数の和:2136053

約数の個数: 32

約数和(自身を含む): 6151714560

約数和(自身を除く): 3503060920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2136011, 4272022, 8544044, 10680055, 17088088, 21360110, 42720220, 66216341, 85440440, 132432682, 264865364, 331081705, 529730728, 662163410, 1324326820, 2648653640]

約数ペア:

[(1, 2648653640), (2, 1324326820), (4, 662163410), (5, 529730728), (8, 331081705), (10, 264865364), (20, 132432682), (31, 85440440), (40, 66216341), (62, 42720220), (124, 21360110), (155, 17088088), (248, 10680055), (310, 8544044), (620, 4272022), (1240, 2136011)]