51181480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{26113}}^1$

素因数の和:26138

約数の個数: 48

約数和(自身を含む): 133964820

約数和(自身を除く): 82783340

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, 26113, 52226, 104452, 130565, 182791, 208904, 261130, 365582, 522260, 731164, 913955, 1044520, 1279537, 1462328, 1827910, 2559074, 3655820, 5118148, 6397685, 7311640, 10236296, 12795370, 25590740, 51181480]

約数ペア:

[(1, 51181480), (2, 25590740), (4, 12795370), (5, 10236296), (7, 7311640), (8, 6397685), (10, 5118148), (14, 3655820), (20, 2559074), (28, 1827910), (35, 1462328), (40, 1279537), (49, 1044520), (56, 913955), (70, 731164), (98, 522260), (140, 365582), (196, 261130), (245, 208904), (280, 182791), (392, 130565), (490, 104452), (980, 52226), (1960, 26113)]