51191900

素因数分解:

$2^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1889}}^1$

素因数の和:2174

約数の個数: 36

約数和(自身を含む): 111555360

約数和(自身を除く): 60363460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 271, 542, 1084, 1355, 1889, 2710, 3778, 5420, 6775, 7556, 9445, 13550, 18890, 27100, 37780, 47225, 94450, 188900, 511919, 1023838, 2047676, 2559595, 5119190, 10238380, 12797975, 25595950, 51191900]

約数ペア:

[(1, 51191900), (2, 25595950), (4, 12797975), (5, 10238380), (10, 5119190), (20, 2559595), (25, 2047676), (50, 1023838), (100, 511919), (271, 188900), (542, 94450), (1084, 47225), (1355, 37780), (1889, 27100), (2710, 18890), (3778, 13550), (5420, 9445), (6775, 7556)]