80821447312

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{46342573}}^1$

素因数の和:46342690

約数の個数: 20

約数和(自身を含む): 158028177340

約数和(自身を除く): 77206730028

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 46342573, 92685146, 185370292, 370740584, 741481168, 5051340457, 10102680914, 20205361828, 40410723656, 80821447312]

約数ペア:

[(1, 80821447312), (2, 40410723656), (4, 20205361828), (8, 10102680914), (16, 5051340457), (109, 741481168), (218, 370740584), (436, 185370292), (872, 92685146), (1744, 46342573)]