80490790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{4177}}^1$

素因数の和:4272

約数の個数: 32

約数和(自身を含む): 151611264

約数和(自身を除く): 71120474

約数列:

[1, 2, 5, 10, 41, 47, 82, 94, 205, 235, 410, 470, 1927, 3854, 4177, 8354, 9635, 19270, 20885, 41770, 171257, 196319, 342514, 392638, 856285, 981595, 1712570, 1963190, 8049079, 16098158, 40245395, 80490790]

約数ペア:

[(1, 80490790), (2, 40245395), (5, 16098158), (10, 8049079), (41, 1963190), (47, 1712570), (82, 981595), (94, 856285), (205, 392638), (235, 342514), (410, 196319), (470, 171257), (1927, 41770), (3854, 20885), (4177, 19270), (8354, 9635)]