40813780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{727}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 98332416

約数和(自身を除く): 57518636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 727, 802, 1454, 1604, 2005, 2807, 2908, 3635, 4010, 5089, 5614, 7270, 8020, 10178, 11228, 14035, 14540, 20356, 25445, 28070, 50890, 56140, 101780, 291527, 583054, 1166108, 1457635, 2040689, 2915270, 4081378, 5830540, 8162756, 10203445, 20406890, 40813780]

約数ペア:

[(1, 40813780), (2, 20406890), (4, 10203445), (5, 8162756), (7, 5830540), (10, 4081378), (14, 2915270), (20, 2040689), (28, 1457635), (35, 1166108), (70, 583054), (140, 291527), (401, 101780), (727, 56140), (802, 50890), (1454, 28070), (1604, 25445), (2005, 20356), (2807, 14540), (2908, 14035), (3635, 11228), (4010, 10178), (5089, 8020), (5614, 7270)]