2780920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1879}}^1$

素因数の和:1927

約数の個数: 32

約数和(自身を含む): 6429600

約数和(自身を除く): 3648680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 1879, 3758, 7516, 9395, 15032, 18790, 37580, 69523, 75160, 139046, 278092, 347615, 556184, 695230, 1390460, 2780920]

約数ペア:

[(1, 2780920), (2, 1390460), (4, 695230), (5, 556184), (8, 347615), (10, 278092), (20, 139046), (37, 75160), (40, 69523), (74, 37580), (148, 18790), (185, 15032), (296, 9395), (370, 7516), (740, 3758), (1480, 1879)]