51153800

素因数分解:

$2^3\times 5^2\times {\mathrm{251}}^1\times {\mathrm{1019}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 119523600

約数和(自身を除く): 68369800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 251, 502, 1004, 1019, 1255, 2008, 2038, 2510, 4076, 5020, 5095, 6275, 8152, 10040, 10190, 12550, 20380, 25100, 25475, 40760, 50200, 50950, 101900, 203800, 255769, 511538, 1023076, 1278845, 2046152, 2557690, 5115380, 6394225, 10230760, 12788450, 25576900, 51153800]

約数ペア:

[(1, 51153800), (2, 25576900), (4, 12788450), (5, 10230760), (8, 6394225), (10, 5115380), (20, 2557690), (25, 2046152), (40, 1278845), (50, 1023076), (100, 511538), (200, 255769), (251, 203800), (502, 101900), (1004, 50950), (1019, 50200), (1255, 40760), (2008, 25475), (2038, 25100), (2510, 20380), (4076, 12550), (5020, 10190), (5095, 10040), (6275, 8152)]