85581520

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6563}}^1$

素因数の和:6739

約数の個数: 40

約数和(自身を含む): 200228256

約数和(自身を除く): 114646736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 6563, 13040, 13126, 26252, 32815, 52504, 65630, 105008, 131260, 262520, 525040, 1069769, 2139538, 4279076, 5348845, 8558152, 10697690, 17116304, 21395380, 42790760, 85581520]

約数ペア:

[(1, 85581520), (2, 42790760), (4, 21395380), (5, 17116304), (8, 10697690), (10, 8558152), (16, 5348845), (20, 4279076), (40, 2139538), (80, 1069769), (163, 525040), (326, 262520), (652, 131260), (815, 105008), (1304, 65630), (1630, 52504), (2608, 32815), (3260, 26252), (6520, 13126), (6563, 13040)]