1279662340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5816647}}^1$

素因数の和:5816667

約数の個数: 24

約数和(自身を含む): 2931590592

約数和(自身を除く): 1651928252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5816647, 11633294, 23266588, 29083235, 58166470, 63983117, 116332940, 127966234, 255932468, 319915585, 639831170, 1279662340]

約数ペア:

[(1, 1279662340), (2, 639831170), (4, 319915585), (5, 255932468), (10, 127966234), (11, 116332940), (20, 63983117), (22, 58166470), (44, 29083235), (55, 23266588), (110, 11633294), (220, 5816647)]