80209040

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6151}}^1$

素因数の和:6327

約数の個数: 40

約数和(自身を含む): 187660608

約数和(自身を除く): 107451568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6151, 6520, 12302, 13040, 24604, 30755, 49208, 61510, 98416, 123020, 246040, 492080, 1002613, 2005226, 4010452, 5013065, 8020904, 10026130, 16041808, 20052260, 40104520, 80209040]

約数ペア:

[(1, 80209040), (2, 40104520), (4, 20052260), (5, 16041808), (8, 10026130), (10, 8020904), (16, 5013065), (20, 4010452), (40, 2005226), (80, 1002613), (163, 492080), (326, 246040), (652, 123020), (815, 98416), (1304, 61510), (1630, 49208), (2608, 30755), (3260, 24604), (6151, 13040), (6520, 12302)]