80498756

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{617}}^1$

素因数の和:840

約数の個数: 36

約数和(自身を含む): 153581652

約数和(自身を除く): 73082896

約数列:

[1, 2, 4, 13, 26, 52, 169, 193, 338, 386, 617, 676, 772, 1234, 2468, 2509, 5018, 8021, 10036, 16042, 32084, 32617, 65234, 104273, 119081, 130468, 208546, 238162, 417092, 476324, 1548053, 3096106, 6192212, 20124689, 40249378, 80498756]

約数ペア:

[(1, 80498756), (2, 40249378), (4, 20124689), (13, 6192212), (26, 3096106), (52, 1548053), (169, 476324), (193, 417092), (338, 238162), (386, 208546), (617, 130468), (676, 119081), (772, 104273), (1234, 65234), (2468, 32617), (2509, 32084), (5018, 16042), (8021, 10036)]