91157120

素因数分解:

$2^7\times 5^1\times {\mathrm{142433}}^1$

素因数の和:142452

約数の個数: 32

約数和(自身を含む): 217924020

約数和(自身を除く): 126766900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 142433, 284866, 569732, 712165, 1139464, 1424330, 2278928, 2848660, 4557856, 5697320, 9115712, 11394640, 18231424, 22789280, 45578560, 91157120]

約数ペア:

[(1, 91157120), (2, 45578560), (4, 22789280), (5, 18231424), (8, 11394640), (10, 9115712), (16, 5697320), (20, 4557856), (32, 2848660), (40, 2278928), (64, 1424330), (80, 1139464), (128, 712165), (160, 569732), (320, 284866), (640, 142433)]