87488920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{115117}}^1$

素因数の和:115147

約数の個数: 32

約数和(自身を含む): 207212400

約数和(自身を除く): 119723480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 115117, 230234, 460468, 575585, 920936, 1151170, 2187223, 2302340, 4374446, 4604680, 8748892, 10936115, 17497784, 21872230, 43744460, 87488920]

約数ペア:

[(1, 87488920), (2, 43744460), (4, 21872230), (5, 17497784), (8, 10936115), (10, 8748892), (19, 4604680), (20, 4374446), (38, 2302340), (40, 2187223), (76, 1151170), (95, 920936), (152, 575585), (190, 460468), (380, 230234), (760, 115117)]