38916080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{69493}}^1$

素因数の和:69513

約数の個数: 40

約数和(自身を含む): 103407072

約数和(自身を除く): 64490992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 69493, 138986, 277972, 347465, 486451, 555944, 694930, 972902, 1111888, 1389860, 1945804, 2432255, 2779720, 3891608, 4864510, 5559440, 7783216, 9729020, 19458040, 38916080]

約数ペア:

[(1, 38916080), (2, 19458040), (4, 9729020), (5, 7783216), (7, 5559440), (8, 4864510), (10, 3891608), (14, 2779720), (16, 2432255), (20, 1945804), (28, 1389860), (35, 1111888), (40, 972902), (56, 694930), (70, 555944), (80, 486451), (112, 347465), (140, 277972), (280, 138986), (560, 69493)]