87959440

素因数分解:

$2^4\times 5^1\times {\mathrm{1099493}}^1$

素因数の和:1099506

約数の個数: 20

約数和(自身を含む): 204505884

約数和(自身を除く): 116546444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1099493, 2198986, 4397972, 5497465, 8795944, 10994930, 17591888, 21989860, 43979720, 87959440]

約数ペア:

[(1, 87959440), (2, 43979720), (4, 21989860), (5, 17591888), (8, 10994930), (10, 8795944), (16, 5497465), (20, 4397972), (40, 2198986), (80, 1099493)]