64300820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2803}}^1$

素因数の和:2880

約数の個数: 48

約数和(自身を含む): 143205888

約数和(自身を除く): 78905068

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 2803, 4588, 5606, 5735, 11212, 11470, 14015, 22940, 28030, 56060, 86893, 103711, 173786, 207422, 347572, 414844, 434465, 518555, 868930, 1037110, 1737860, 2074220, 3215041, 6430082, 12860164, 16075205, 32150410, 64300820]

約数ペア:

[(1, 64300820), (2, 32150410), (4, 16075205), (5, 12860164), (10, 6430082), (20, 3215041), (31, 2074220), (37, 1737860), (62, 1037110), (74, 868930), (124, 518555), (148, 434465), (155, 414844), (185, 347572), (310, 207422), (370, 173786), (620, 103711), (740, 86893), (1147, 56060), (2294, 28030), (2803, 22940), (4588, 14015), (5606, 11470), (5735, 11212)]