16020325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1163}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 21650400

約数和(自身を除く): 5630075

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 1163, 2755, 5815, 13775, 22097, 29075, 33727, 110485, 168635, 552425, 640813, 843175, 3204065, 16020325]

約数ペア:

[(1, 16020325), (5, 3204065), (19, 843175), (25, 640813), (29, 552425), (95, 168635), (145, 110485), (475, 33727), (551, 29075), (725, 22097), (1163, 13775), (2755, 5815)]