87240820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3803}}^1$

素因数の和:3880

約数の個数: 48

約数和(自身を含む): 194277888

約数和(自身を除く): 107037068

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 3803, 4588, 5735, 7606, 11470, 15212, 19015, 22940, 38030, 76060, 117893, 140711, 235786, 281422, 471572, 562844, 589465, 703555, 1178930, 1407110, 2357860, 2814220, 4362041, 8724082, 17448164, 21810205, 43620410, 87240820]

約数ペア:

[(1, 87240820), (2, 43620410), (4, 21810205), (5, 17448164), (10, 8724082), (20, 4362041), (31, 2814220), (37, 2357860), (62, 1407110), (74, 1178930), (124, 703555), (148, 589465), (155, 562844), (185, 471572), (310, 281422), (370, 235786), (620, 140711), (740, 117893), (1147, 76060), (2294, 38030), (3803, 22940), (4588, 19015), (5735, 15212), (7606, 11470)]