12103120

素因数分解:

$2^4\times 5^1\times {\mathrm{151289}}^1$

素因数の和:151302

約数の個数: 20

約数和(自身を含む): 28139940

約数和(自身を除く): 16036820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151289, 302578, 605156, 756445, 1210312, 1512890, 2420624, 3025780, 6051560, 12103120]

約数ペア:

[(1, 12103120), (2, 6051560), (4, 3025780), (5, 2420624), (8, 1512890), (10, 1210312), (16, 756445), (20, 605156), (40, 302578), (80, 151289)]