128137675

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{797}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 163270800

約数和(自身を除く): 35133125

約数列:

[1, 5, 25, 59, 109, 295, 545, 797, 1475, 2725, 3985, 6431, 19925, 32155, 47023, 86873, 160775, 235115, 434365, 1175575, 2171825, 5125507, 25627535, 128137675]

約数ペア:

[(1, 128137675), (5, 25627535), (25, 5125507), (59, 2171825), (109, 1175575), (295, 434365), (545, 235115), (797, 160775), (1475, 86873), (2725, 47023), (3985, 32155), (6431, 19925)]