2509640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{8963}}^1$

素因数の和:8981

約数の個数: 32

約数和(自身を含む): 6454080

約数和(自身を除く): 3944440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 8963, 17926, 35852, 44815, 62741, 71704, 89630, 125482, 179260, 250964, 313705, 358520, 501928, 627410, 1254820, 2509640]

約数ペア:

[(1, 2509640), (2, 1254820), (4, 627410), (5, 501928), (7, 358520), (8, 313705), (10, 250964), (14, 179260), (20, 125482), (28, 89630), (35, 71704), (40, 62741), (56, 44815), (70, 35852), (140, 17926), (280, 8963)]