87538120

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3929}}^1$

素因数の和:4497

約数の個数: 32

約数和(自身を含む): 197364600

約数和(自身を除く): 109826480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 3929, 4456, 5570, 7858, 11140, 15716, 19645, 22280, 31432, 39290, 78580, 157160, 2188453, 4376906, 8753812, 10942265, 17507624, 21884530, 43769060, 87538120]

約数ペア:

[(1, 87538120), (2, 43769060), (4, 21884530), (5, 17507624), (8, 10942265), (10, 8753812), (20, 4376906), (40, 2188453), (557, 157160), (1114, 78580), (2228, 39290), (2785, 31432), (3929, 22280), (4456, 19645), (5570, 15716), (7858, 11140)]