51940520

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{3923}}^1$

素因数の和:4265

約数の個数: 32

約数和(自身を含む): 117249120

約数和(自身を除く): 65308600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 3923, 6620, 7846, 13240, 15692, 19615, 31384, 39230, 78460, 156920, 1298513, 2597026, 5194052, 6492565, 10388104, 12985130, 25970260, 51940520]

約数ペア:

[(1, 51940520), (2, 25970260), (4, 12985130), (5, 10388104), (8, 6492565), (10, 5194052), (20, 2597026), (40, 1298513), (331, 156920), (662, 78460), (1324, 39230), (1655, 31384), (2648, 19615), (3310, 15692), (3923, 13240), (6620, 7846)]