13518125

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:566

約数の個数: 20

約数和(自身を含む): 17319456

約数和(自身を除く): 3801331

約数列:

[1, 5, 25, 43, 125, 215, 503, 625, 1075, 2515, 5375, 12575, 21629, 26875, 62875, 108145, 314375, 540725, 2703625, 13518125]

約数ペア:

[(1, 13518125), (5, 2703625), (25, 540725), (43, 314375), (125, 108145), (215, 62875), (503, 26875), (625, 21629), (1075, 12575), (2515, 5375)]