80147990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{616523}}^1$

素因数の和:616543

約数の個数: 16

約数和(自身を含む): 155364048

約数和(自身を除く): 75216058

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 616523, 1233046, 3082615, 6165230, 8014799, 16029598, 40073995, 80147990]

約数ペア:

[(1, 80147990), (2, 40073995), (5, 16029598), (10, 8014799), (13, 6165230), (26, 3082615), (65, 1233046), (130, 616523)]