20131160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{10271}}^1$

素因数の和:10296

約数の個数: 48

約数和(自身を含む): 52695360

約数和(自身を除く): 32564200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 10271, 20542, 41084, 51355, 71897, 82168, 102710, 143794, 205420, 287588, 359485, 410840, 503279, 575176, 718970, 1006558, 1437940, 2013116, 2516395, 2875880, 4026232, 5032790, 10065580, 20131160]

約数ペア:

[(1, 20131160), (2, 10065580), (4, 5032790), (5, 4026232), (7, 2875880), (8, 2516395), (10, 2013116), (14, 1437940), (20, 1006558), (28, 718970), (35, 575176), (40, 503279), (49, 410840), (56, 359485), (70, 287588), (98, 205420), (140, 143794), (196, 102710), (245, 82168), (280, 71897), (392, 51355), (490, 41084), (980, 20542), (1960, 10271)]