82027760

素因数分解:

$2^4\times 5^1\times {\mathrm{1025347}}^1$

素因数の和:1025360

約数の個数: 20

約数和(自身を含む): 190714728

約数和(自身を除く): 108686968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1025347, 2050694, 4101388, 5126735, 8202776, 10253470, 16405552, 20506940, 41013880, 82027760]

約数ペア:

[(1, 82027760), (2, 41013880), (4, 20506940), (5, 16405552), (8, 10253470), (10, 8202776), (16, 5126735), (20, 4101388), (40, 2050694), (80, 1025347)]