51221900

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{4973}}^1$

素因数の和:5090

約数の個数: 36

約数和(自身を含む): 112253232

約数和(自身を除く): 61031332

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 412, 515, 1030, 2060, 2575, 4973, 5150, 9946, 10300, 19892, 24865, 49730, 99460, 124325, 248650, 497300, 512219, 1024438, 2048876, 2561095, 5122190, 10244380, 12805475, 25610950, 51221900]

約数ペア:

[(1, 51221900), (2, 25610950), (4, 12805475), (5, 10244380), (10, 5122190), (20, 2561095), (25, 2048876), (50, 1024438), (100, 512219), (103, 497300), (206, 248650), (412, 124325), (515, 99460), (1030, 49730), (2060, 24865), (2575, 19892), (4973, 10300), (5150, 9946)]