40087210

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{15971}}^1$

素因数の和:16229

約数の個数: 16

約数和(自身を含む): 72448992

約数和(自身を除く): 32361782

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 15971, 31942, 79855, 159710, 4008721, 8017442, 20043605, 40087210]

約数ペア:

[(1, 40087210), (2, 20043605), (5, 8017442), (10, 4008721), (251, 159710), (502, 79855), (1255, 31942), (2510, 15971)]