12781001150

素因数分解:

$2^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1568221}}^1$

素因数の和:1568396

約数の個数: 24

約数和(自身を含む): 23918521944

約数和(自身を除く): 11137520794

約数列:

[1, 2, 5, 10, 25, 50, 163, 326, 815, 1630, 4075, 8150, 1568221, 3136442, 7841105, 15682210, 39205525, 78411050, 255620023, 511240046, 1278100115, 2556200230, 6390500575, 12781001150]

約数ペア:

[(1, 12781001150), (2, 6390500575), (5, 2556200230), (10, 1278100115), (25, 511240046), (50, 255620023), (163, 78411050), (326, 39205525), (815, 15682210), (1630, 7841105), (4075, 3136442), (8150, 1568221)]