2001034120

素因数分解:

$2^3\times 5^1\times {\mathrm{983}}^1\times {\mathrm{50891}}^1$

素因数の和:51885

約数の個数: 32

約数和(自身を含む): 4506995520

約数和(自身を除く): 2505961400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 983, 1966, 3932, 4915, 7864, 9830, 19660, 39320, 50891, 101782, 203564, 254455, 407128, 508910, 1017820, 2035640, 50025853, 100051706, 200103412, 250129265, 400206824, 500258530, 1000517060, 2001034120]

約数ペア:

[(1, 2001034120), (2, 1000517060), (4, 500258530), (5, 400206824), (8, 250129265), (10, 200103412), (20, 100051706), (40, 50025853), (983, 2035640), (1966, 1017820), (3932, 508910), (4915, 407128), (7864, 254455), (9830, 203564), (19660, 101782), (39320, 50891)]