78622640

素因数分解:

$2^4\times 5^1\times {\mathrm{982783}}^1$

素因数の和:982796

約数の個数: 20

約数和(自身を含む): 182797824

約数和(自身を除く): 104175184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 982783, 1965566, 3931132, 4913915, 7862264, 9827830, 15724528, 19655660, 39311320, 78622640]

約数ペア:

[(1, 78622640), (2, 39311320), (4, 19655660), (5, 15724528), (8, 9827830), (10, 7862264), (16, 4913915), (20, 3931132), (40, 1965566), (80, 982783)]