16145425

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 21409344

約数和(自身を除く): 5263919

約数列:

[1, 5, 23, 25, 43, 115, 215, 575, 653, 989, 1075, 3265, 4945, 15019, 16325, 24725, 28079, 75095, 140395, 375475, 645817, 701975, 3229085, 16145425]

約数ペア:

[(1, 16145425), (5, 3229085), (23, 701975), (25, 645817), (43, 375475), (115, 140395), (215, 75095), (575, 28079), (653, 24725), (989, 16325), (1075, 15019), (3265, 4945)]