620031880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1192369}}^1$

素因数の和:1192393

約数の個数: 32

約数和(自身を含む): 1502386200

約数和(自身を除く): 882354320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1192369, 2384738, 4769476, 5961845, 9538952, 11923690, 15500797, 23847380, 31001594, 47694760, 62003188, 77503985, 124006376, 155007970, 310015940, 620031880]

約数ペア:

[(1, 620031880), (2, 310015940), (4, 155007970), (5, 124006376), (8, 77503985), (10, 62003188), (13, 47694760), (20, 31001594), (26, 23847380), (40, 15500797), (52, 11923690), (65, 9538952), (104, 5961845), (130, 4769476), (260, 2384738), (520, 1192369)]