28475440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{50849}}^1$

素因数の和:50869

約数の個数: 40

約数和(自身を含む): 75664800

約数和(自身を除く): 47189360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 50849, 101698, 203396, 254245, 355943, 406792, 508490, 711886, 813584, 1016980, 1423772, 1779715, 2033960, 2847544, 3559430, 4067920, 5695088, 7118860, 14237720, 28475440]

約数ペア:

[(1, 28475440), (2, 14237720), (4, 7118860), (5, 5695088), (7, 4067920), (8, 3559430), (10, 2847544), (14, 2033960), (16, 1779715), (20, 1423772), (28, 1016980), (35, 813584), (40, 711886), (56, 508490), (70, 406792), (80, 355943), (112, 254245), (140, 203396), (280, 101698), (560, 50849)]