51259880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{26153}}^1$

素因数の和:26178

約数の個数: 48

約数和(自身を含む): 134170020

約数和(自身を除く): 82910140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 26153, 52306, 104612, 130765, 183071, 209224, 261530, 366142, 523060, 732284, 915355, 1046120, 1281497, 1464568, 1830710, 2562994, 3661420, 5125988, 6407485, 7322840, 10251976, 12814970, 25629940, 51259880]

約数ペア:

[(1, 51259880), (2, 25629940), (4, 12814970), (5, 10251976), (7, 7322840), (8, 6407485), (10, 5125988), (14, 3661420), (20, 2562994), (28, 1830710), (35, 1464568), (40, 1281497), (49, 1046120), (56, 915355), (70, 732284), (98, 523060), (140, 366142), (196, 261530), (245, 209224), (280, 183071), (392, 130765), (490, 104612), (980, 52306), (1960, 26153)]