66396460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{255371}}^1$

素因数の和:255393

約数の個数: 24

約数和(自身を含む): 150158736

約数和(自身を除く): 83762276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 255371, 510742, 1021484, 1276855, 2553710, 3319823, 5107420, 6639646, 13279292, 16599115, 33198230, 66396460]

約数ペア:

[(1, 66396460), (2, 33198230), (4, 16599115), (5, 13279292), (10, 6639646), (13, 5107420), (20, 3319823), (26, 2553710), (52, 1276855), (65, 1021484), (130, 510742), (260, 255371)]