51655660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5507}}^1$

素因数の和:5590

約数の個数: 48

約数和(自身を含む): 125846784

約数和(自身を除く): 74191124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 5507, 9380, 11014, 22028, 27535, 38549, 55070, 77098, 110140, 154196, 192745, 368969, 385490, 737938, 770980, 1475876, 1844845, 2582783, 3689690, 5165566, 7379380, 10331132, 12913915, 25827830, 51655660]

約数ペア:

[(1, 51655660), (2, 25827830), (4, 12913915), (5, 10331132), (7, 7379380), (10, 5165566), (14, 3689690), (20, 2582783), (28, 1844845), (35, 1475876), (67, 770980), (70, 737938), (134, 385490), (140, 368969), (268, 192745), (335, 154196), (469, 110140), (670, 77098), (938, 55070), (1340, 38549), (1876, 27535), (2345, 22028), (4690, 11014), (5507, 9380)]