80650700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{62039}}^1$

素因数の和:62066

約数の個数: 36

約数和(自身を含む): 188477520

約数和(自身を除く): 107826820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 62039, 124078, 248156, 310195, 620390, 806507, 1240780, 1550975, 1613014, 3101950, 3226028, 4032535, 6203900, 8065070, 16130140, 20162675, 40325350, 80650700]

約数ペア:

[(1, 80650700), (2, 40325350), (4, 20162675), (5, 16130140), (10, 8065070), (13, 6203900), (20, 4032535), (25, 3226028), (26, 3101950), (50, 1613014), (52, 1550975), (65, 1240780), (100, 806507), (130, 620390), (260, 310195), (325, 248156), (650, 124078), (1300, 62039)]