81763520

素因数分解:

$2^6\times 5^1\times {\mathrm{255511}}^1$

素因数の和:255528

約数の個数: 28

約数和(自身を含む): 194700144

約数和(自身を除く): 112936624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 255511, 511022, 1022044, 1277555, 2044088, 2555110, 4088176, 5110220, 8176352, 10220440, 16352704, 20440880, 40881760, 81763520]

約数ペア:

[(1, 81763520), (2, 40881760), (4, 20440880), (5, 16352704), (8, 10220440), (10, 8176352), (16, 5110220), (20, 4088176), (32, 2555110), (40, 2044088), (64, 1277555), (80, 1022044), (160, 511022), (320, 255511)]