40897940

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{8147}}^1$

素因数の和:8407

約数の個数: 24

約数和(自身を含む): 86238432

約数和(自身を除く): 45340492

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 8147, 16294, 32588, 40735, 81470, 162940, 2044897, 4089794, 8179588, 10224485, 20448970, 40897940]

約数ペア:

[(1, 40897940), (2, 20448970), (4, 10224485), (5, 8179588), (10, 4089794), (20, 2044897), (251, 162940), (502, 81470), (1004, 40735), (1255, 32588), (2510, 16294), (5020, 8147)]