26472520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15391}}^1$

素因数の和:15445

約数の個数: 32

約数和(自身を含む): 60952320

約数和(自身を除く): 34479800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 15391, 30782, 61564, 76955, 123128, 153910, 307820, 615640, 661813, 1323626, 2647252, 3309065, 5294504, 6618130, 13236260, 26472520]

約数ペア:

[(1, 26472520), (2, 13236260), (4, 6618130), (5, 5294504), (8, 3309065), (10, 2647252), (20, 1323626), (40, 661813), (43, 615640), (86, 307820), (172, 153910), (215, 123128), (344, 76955), (430, 61564), (860, 30782), (1720, 15391)]