126844940

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{12917}}^1$

素因数の和:13417

約数の個数: 24

約数和(自身を含む): 266937552

約数和(自身を除く): 140092612

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 12917, 25834, 51668, 64585, 129170, 258340, 6342247, 12684494, 25368988, 31711235, 63422470, 126844940]

約数ペア:

[(1, 126844940), (2, 63422470), (4, 31711235), (5, 25368988), (10, 12684494), (20, 6342247), (491, 258340), (982, 129170), (1964, 64585), (2455, 51668), (4910, 25834), (9820, 12917)]