56081620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{787}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 135031680

約数和(自身を除く): 78950060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 787, 1018, 1574, 2036, 2545, 3148, 3563, 3935, 5090, 5509, 7126, 7870, 10180, 11018, 14252, 15740, 17815, 22036, 27545, 35630, 55090, 71260, 110180, 400583, 801166, 1602332, 2002915, 2804081, 4005830, 5608162, 8011660, 11216324, 14020405, 28040810, 56081620]

約数ペア:

[(1, 56081620), (2, 28040810), (4, 14020405), (5, 11216324), (7, 8011660), (10, 5608162), (14, 4005830), (20, 2804081), (28, 2002915), (35, 1602332), (70, 801166), (140, 400583), (509, 110180), (787, 71260), (1018, 55090), (1574, 35630), (2036, 27545), (2545, 22036), (3148, 17815), (3563, 15740), (3935, 14252), (5090, 11018), (5509, 10180), (7126, 7870)]