15988025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 21144480

約数和(自身を除く): 5156455

約数列:

[1, 5, 19, 25, 95, 97, 347, 475, 485, 1735, 1843, 2425, 6593, 8675, 9215, 32965, 33659, 46075, 164825, 168295, 639521, 841475, 3197605, 15988025]

約数ペア:

[(1, 15988025), (5, 3197605), (19, 841475), (25, 639521), (95, 168295), (97, 164825), (347, 46075), (475, 33659), (485, 32965), (1735, 9215), (1843, 8675), (2425, 6593)]