11979663980

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{636539}}^1$

素因数の和:637489

約数の個数: 24

約数和(自身を含む): 25184068560

約数和(自身を除く): 13204404580

約数列:

[1, 2, 4, 5, 10, 20, 941, 1882, 3764, 4705, 9410, 18820, 636539, 1273078, 2546156, 3182695, 6365390, 12730780, 598983199, 1197966398, 2395932796, 2994915995, 5989831990, 11979663980]

約数ペア:

[(1, 11979663980), (2, 5989831990), (4, 2994915995), (5, 2395932796), (10, 1197966398), (20, 598983199), (941, 12730780), (1882, 6365390), (3764, 3182695), (4705, 2546156), (9410, 1273078), (18820, 636539)]