51394760

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5119}}^1$

素因数の和:5381

約数の個数: 32

約数和(自身を含む): 116121600

約数和(自身を除く): 64726840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 5119, 10040, 10238, 20476, 25595, 40952, 51190, 102380, 204760, 1284869, 2569738, 5139476, 6424345, 10278952, 12848690, 25697380, 51394760]

約数ペア:

[(1, 51394760), (2, 25697380), (4, 12848690), (5, 10278952), (8, 6424345), (10, 5139476), (20, 2569738), (40, 1284869), (251, 204760), (502, 102380), (1004, 51190), (1255, 40952), (2008, 25595), (2510, 20476), (5020, 10238), (5119, 10040)]