91450640

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2113}}^1$

素因数の和:2667

約数の個数: 40

約数和(自身を含む): 213116568

約数和(自身を除く): 121665928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 1082, 2113, 2164, 2705, 4226, 4328, 5410, 8452, 8656, 10565, 10820, 16904, 21130, 21640, 33808, 42260, 43280, 84520, 169040, 1143133, 2286266, 4572532, 5715665, 9145064, 11431330, 18290128, 22862660, 45725320, 91450640]

約数ペア:

[(1, 91450640), (2, 45725320), (4, 22862660), (5, 18290128), (8, 11431330), (10, 9145064), (16, 5715665), (20, 4572532), (40, 2286266), (80, 1143133), (541, 169040), (1082, 84520), (2113, 43280), (2164, 42260), (2705, 33808), (4226, 21640), (4328, 21130), (5410, 16904), (8452, 10820), (8656, 10565)]