101902120

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{6353}}^1$

素因数の和:6765

約数の個数: 32

約数和(自身を含む): 229887720

約数和(自身を除く): 127985600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 6353, 8020, 12706, 16040, 25412, 31765, 50824, 63530, 127060, 254120, 2547553, 5095106, 10190212, 12737765, 20380424, 25475530, 50951060, 101902120]

約数ペア:

[(1, 101902120), (2, 50951060), (4, 25475530), (5, 20380424), (8, 12737765), (10, 10190212), (20, 5095106), (40, 2547553), (401, 254120), (802, 127060), (1604, 63530), (2005, 50824), (3208, 31765), (4010, 25412), (6353, 16040), (8020, 12706)]