13400890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 25583040

約数和(自身を除く): 12182150

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 251, 281, 502, 562, 1255, 1405, 2510, 2810, 4769, 5339, 9538, 10678, 23845, 26695, 47690, 53390, 70531, 141062, 352655, 705310, 1340089, 2680178, 6700445, 13400890]

約数ペア:

[(1, 13400890), (2, 6700445), (5, 2680178), (10, 1340089), (19, 705310), (38, 352655), (95, 141062), (190, 70531), (251, 53390), (281, 47690), (502, 26695), (562, 23845), (1255, 10678), (1405, 9538), (2510, 5339), (2810, 4769)]