39019820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2557}}^1$

素因数の和:2682

約数の個数: 48

約数和(自身を含む): 94543680

約数和(自身を除く): 55523860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 2557, 3052, 3815, 5114, 7630, 10228, 12785, 15260, 17899, 25570, 35798, 51140, 71596, 89495, 178990, 278713, 357980, 557426, 1114852, 1393565, 1950991, 2787130, 3901982, 5574260, 7803964, 9754955, 19509910, 39019820]

約数ペア:

[(1, 39019820), (2, 19509910), (4, 9754955), (5, 7803964), (7, 5574260), (10, 3901982), (14, 2787130), (20, 1950991), (28, 1393565), (35, 1114852), (70, 557426), (109, 357980), (140, 278713), (218, 178990), (436, 89495), (545, 71596), (763, 51140), (1090, 35798), (1526, 25570), (2180, 17899), (2557, 15260), (3052, 12785), (3815, 10228), (5114, 7630)]