51198100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{7211}}^1$

素因数の和:7296

約数の個数: 36

約数和(自身を含む): 112680288

約数和(自身を除く): 61482188

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 7211, 14422, 28844, 36055, 72110, 144220, 180275, 360550, 511981, 721100, 1023962, 2047924, 2559905, 5119810, 10239620, 12799525, 25599050, 51198100]

約数ペア:

[(1, 51198100), (2, 25599050), (4, 12799525), (5, 10239620), (10, 5119810), (20, 2559905), (25, 2047924), (50, 1023962), (71, 721100), (100, 511981), (142, 360550), (284, 180275), (355, 144220), (710, 72110), (1420, 36055), (1775, 28844), (3550, 14422), (7100, 7211)]