64609580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14887}}^1$

素因数の和:14934

約数の個数: 48

約数和(自身を含む): 160075776

約数和(自身を除く): 95466196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 14887, 29774, 59548, 74435, 104209, 148870, 208418, 297740, 416836, 461497, 521045, 922994, 1042090, 1845988, 2084180, 2307485, 3230479, 4614970, 6460958, 9229940, 12921916, 16152395, 32304790, 64609580]

約数ペア:

[(1, 64609580), (2, 32304790), (4, 16152395), (5, 12921916), (7, 9229940), (10, 6460958), (14, 4614970), (20, 3230479), (28, 2307485), (31, 2084180), (35, 1845988), (62, 1042090), (70, 922994), (124, 521045), (140, 461497), (155, 416836), (217, 297740), (310, 208418), (434, 148870), (620, 104209), (868, 74435), (1085, 59548), (2170, 29774), (4340, 14887)]