25209250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 52565760

約数和(自身を除く): 27356510

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 89, 103, 110, 125, 178, 206, 250, 275, 445, 515, 550, 890, 979, 1030, 1133, 1375, 1958, 2225, 2266, 2575, 2750, 4450, 4895, 5150, 5665, 9167, 9790, 11125, 11330, 12875, 18334, 22250, 24475, 25750, 28325, 45835, 48950, 56650, 91670, 100837, 122375, 141625, 201674, 229175, 244750, 283250, 458350, 504185, 1008370, 1145875, 2291750, 2520925, 5041850, 12604625, 25209250]

約数ペア:

[(1, 25209250), (2, 12604625), (5, 5041850), (10, 2520925), (11, 2291750), (22, 1145875), (25, 1008370), (50, 504185), (55, 458350), (89, 283250), (103, 244750), (110, 229175), (125, 201674), (178, 141625), (206, 122375), (250, 100837), (275, 91670), (445, 56650), (515, 48950), (550, 45835), (890, 28325), (979, 25750), (1030, 24475), (1133, 22250), (1375, 18334), (1958, 12875), (2225, 11330), (2266, 11125), (2575, 9790), (2750, 9167), (4450, 5665), (4895, 5150)]