155520220

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{72673}}^1$

素因数の和:72789

約数の個数: 24

約数和(自身を含む): 329649264

約数和(自身を除く): 174129044

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 72673, 145346, 290692, 363365, 726730, 1453460, 7776011, 15552022, 31104044, 38880055, 77760110, 155520220]

約数ペア:

[(1, 155520220), (2, 77760110), (4, 38880055), (5, 31104044), (10, 15552022), (20, 7776011), (107, 1453460), (214, 726730), (428, 363365), (535, 290692), (1070, 145346), (2140, 72673)]