25493780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3163}}^1$

素因数の和:3216

約数の個数: 48

約数和(自身を含む): 59533824

約数和(自身を除く): 34040044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 3163, 4030, 6326, 8060, 12652, 15815, 31630, 41119, 63260, 82238, 98053, 164476, 196106, 205595, 392212, 411190, 490265, 822380, 980530, 1274689, 1961060, 2549378, 5098756, 6373445, 12746890, 25493780]

約数ペア:

[(1, 25493780), (2, 12746890), (4, 6373445), (5, 5098756), (10, 2549378), (13, 1961060), (20, 1274689), (26, 980530), (31, 822380), (52, 490265), (62, 411190), (65, 392212), (124, 205595), (130, 196106), (155, 164476), (260, 98053), (310, 82238), (403, 63260), (620, 41119), (806, 31630), (1612, 15815), (2015, 12652), (3163, 8060), (4030, 6326)]