40262320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10271}}^1$

素因数の和:10298

約数の個数: 60

約数和(自身を含む): 108903744

約数和(自身を除く): 68641424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10271, 20542, 41084, 51355, 71897, 82168, 102710, 143794, 164336, 205420, 287588, 359485, 410840, 503279, 575176, 718970, 821680, 1006558, 1150352, 1437940, 2013116, 2516395, 2875880, 4026232, 5032790, 5751760, 8052464, 10065580, 20131160, 40262320]

約数ペア:

[(1, 40262320), (2, 20131160), (4, 10065580), (5, 8052464), (7, 5751760), (8, 5032790), (10, 4026232), (14, 2875880), (16, 2516395), (20, 2013116), (28, 1437940), (35, 1150352), (40, 1006558), (49, 821680), (56, 718970), (70, 575176), (80, 503279), (98, 410840), (112, 359485), (140, 287588), (196, 205420), (245, 164336), (280, 143794), (392, 102710), (490, 82168), (560, 71897), (784, 51355), (980, 41084), (1960, 20542), (3920, 10271)]