80163940

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{11551}}^1$

素因数の和:11907

約数の個数: 24

約数和(自身を含む): 168844032

約数和(自身を除く): 88680092

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 6940, 11551, 23102, 46204, 57755, 115510, 231020, 4008197, 8016394, 16032788, 20040985, 40081970, 80163940]

約数ペア:

[(1, 80163940), (2, 40081970), (4, 20040985), (5, 16032788), (10, 8016394), (20, 4008197), (347, 231020), (694, 115510), (1388, 57755), (1735, 46204), (3470, 23102), (6940, 11551)]