42720250

素因数分解:

$2^1\times 5^3\times {\mathrm{170881}}^1$

素因数の和:170898

約数の個数: 16

約数和(自身を含む): 79972776

約数和(自身を除く): 37252526

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 170881, 341762, 854405, 1708810, 4272025, 8544050, 21360125, 42720250]

約数ペア:

[(1, 42720250), (2, 21360125), (5, 8544050), (10, 4272025), (25, 1708810), (50, 854405), (125, 341762), (250, 170881)]