80646440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{288023}}^1$

素因数の和:288041

約数の個数: 32

約数和(自身を含む): 207377280

約数和(自身を除く): 126730840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 288023, 576046, 1152092, 1440115, 2016161, 2304184, 2880230, 4032322, 5760460, 8064644, 10080805, 11520920, 16129288, 20161610, 40323220, 80646440]

約数ペア:

[(1, 80646440), (2, 40323220), (4, 20161610), (5, 16129288), (7, 11520920), (8, 10080805), (10, 8064644), (14, 5760460), (20, 4032322), (28, 2880230), (35, 2304184), (40, 2016161), (56, 1440115), (70, 1152092), (140, 576046), (280, 288023)]