56981840

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1487}}^1$

素因数の和:1979

約数の個数: 40

約数和(自身を含む): 132848640

約数和(自身を除く): 75866800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 958, 1487, 1916, 2395, 2974, 3832, 4790, 5948, 7435, 7664, 9580, 11896, 14870, 19160, 23792, 29740, 38320, 59480, 118960, 712273, 1424546, 2849092, 3561365, 5698184, 7122730, 11396368, 14245460, 28490920, 56981840]

約数ペア:

[(1, 56981840), (2, 28490920), (4, 14245460), (5, 11396368), (8, 7122730), (10, 5698184), (16, 3561365), (20, 2849092), (40, 1424546), (80, 712273), (479, 118960), (958, 59480), (1487, 38320), (1916, 29740), (2395, 23792), (2974, 19160), (3832, 14870), (4790, 11896), (5948, 9580), (7435, 7664)]