72190820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277657}}^1$

素因数の和:277679

約数の個数: 24

約数和(自身を含む): 163262904

約数和(自身を除く): 91072084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277657, 555314, 1110628, 1388285, 2776570, 3609541, 5553140, 7219082, 14438164, 18047705, 36095410, 72190820]

約数ペア:

[(1, 72190820), (2, 36095410), (4, 18047705), (5, 14438164), (10, 7219082), (13, 5553140), (20, 3609541), (26, 2776570), (52, 1388285), (65, 1110628), (130, 555314), (260, 277657)]