87538280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53377}}^1$

素因数の和:53429

約数の個数: 32

約数和(自身を含む): 201768840

約数和(自身を除く): 114230560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 53377, 106754, 213508, 266885, 427016, 533770, 1067540, 2135080, 2188457, 4376914, 8753828, 10942285, 17507656, 21884570, 43769140, 87538280]

約数ペア:

[(1, 87538280), (2, 43769140), (4, 21884570), (5, 17507656), (8, 10942285), (10, 8753828), (20, 4376914), (40, 2188457), (41, 2135080), (82, 1067540), (164, 533770), (205, 427016), (328, 266885), (410, 213508), (820, 106754), (1640, 53377)]