39889640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1307}}^1$

素因数の和:1434

約数の個数: 64

約数和(自身を含む): 103593600

約数和(自身を除く): 63703960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1307, 1526, 2180, 2614, 3052, 3815, 4360, 5228, 6104, 6535, 7630, 9149, 10456, 13070, 15260, 18298, 26140, 30520, 36596, 45745, 52280, 73192, 91490, 142463, 182980, 284926, 365960, 569852, 712315, 997241, 1139704, 1424630, 1994482, 2849260, 3988964, 4986205, 5698520, 7977928, 9972410, 19944820, 39889640]

約数ペア:

[(1, 39889640), (2, 19944820), (4, 9972410), (5, 7977928), (7, 5698520), (8, 4986205), (10, 3988964), (14, 2849260), (20, 1994482), (28, 1424630), (35, 1139704), (40, 997241), (56, 712315), (70, 569852), (109, 365960), (140, 284926), (218, 182980), (280, 142463), (436, 91490), (545, 73192), (763, 52280), (872, 45745), (1090, 36596), (1307, 30520), (1526, 26140), (2180, 18298), (2614, 15260), (3052, 13070), (3815, 10456), (4360, 9149), (5228, 7630), (6104, 6535)]