129213125

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{7129}}^1$

素因数の和:7178

約数の個数: 20

約数和(自身を含む): 167055900

約数和(自身を除く): 37842775

約数列:

[1, 5, 25, 29, 125, 145, 625, 725, 3625, 7129, 18125, 35645, 178225, 206741, 891125, 1033705, 4455625, 5168525, 25842625, 129213125]

約数ペア:

[(1, 129213125), (5, 25842625), (25, 5168525), (29, 4455625), (125, 1033705), (145, 891125), (625, 206741), (725, 178225), (3625, 35645), (7129, 18125)]