135687560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{31121}}^1$

素因数の和:31241

約数の個数: 32

約数和(自身を含む): 308107800

約数和(自身を除く): 172420240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 31121, 62242, 124484, 155605, 248968, 311210, 622420, 1244840, 3392189, 6784378, 13568756, 16960945, 27137512, 33921890, 67843780, 135687560]

約数ペア:

[(1, 135687560), (2, 67843780), (4, 33921890), (5, 27137512), (8, 16960945), (10, 13568756), (20, 6784378), (40, 3392189), (109, 1244840), (218, 622420), (436, 311210), (545, 248968), (872, 155605), (1090, 124484), (2180, 62242), (4360, 31121)]