8109080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28961}}^1$

素因数の和:28979

約数の個数: 32

約数和(自身を含む): 20852640

約数和(自身を除く): 12743560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28961, 57922, 115844, 144805, 202727, 231688, 289610, 405454, 579220, 810908, 1013635, 1158440, 1621816, 2027270, 4054540, 8109080]

約数ペア:

[(1, 8109080), (2, 4054540), (4, 2027270), (5, 1621816), (7, 1158440), (8, 1013635), (10, 810908), (14, 579220), (20, 405454), (28, 289610), (35, 231688), (40, 202727), (56, 144805), (70, 115844), (140, 57922), (280, 28961)]