80570360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154943}}^1$

素因数の和:154967

約数の個数: 32

約数和(自身を含む): 195229440

約数和(自身を除く): 114659080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 154943, 309886, 619772, 774715, 1239544, 1549430, 2014259, 3098860, 4028518, 6197720, 8057036, 10071295, 16114072, 20142590, 40285180, 80570360]

約数ペア:

[(1, 80570360), (2, 40285180), (4, 20142590), (5, 16114072), (8, 10071295), (10, 8057036), (13, 6197720), (20, 4028518), (26, 3098860), (40, 2014259), (52, 1549430), (65, 1239544), (104, 774715), (130, 619772), (260, 309886), (520, 154943)]