155840120

素因数分解:

$2^3\times 5^1\times {\mathrm{3896003}}^1$

素因数の和:3896014

約数の個数: 16

約数和(自身を含む): 350640360

約数和(自身を除く): 194800240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3896003, 7792006, 15584012, 19480015, 31168024, 38960030, 77920060, 155840120]

約数ペア:

[(1, 155840120), (2, 77920060), (4, 38960030), (5, 31168024), (8, 19480015), (10, 15584012), (20, 7792006), (40, 3896003)]