77418520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19163}}^1$

素因数の和:19275

約数の個数: 32

約数和(自身を含む): 175925520

約数和(自身を除く): 98507000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 19163, 38326, 76652, 95815, 153304, 191630, 383260, 766520, 1935463, 3870926, 7741852, 9677315, 15483704, 19354630, 38709260, 77418520]

約数ペア:

[(1, 77418520), (2, 38709260), (4, 19354630), (5, 15483704), (8, 9677315), (10, 7741852), (20, 3870926), (40, 1935463), (101, 766520), (202, 383260), (404, 191630), (505, 153304), (808, 95815), (1010, 76652), (2020, 38326), (4040, 19163)]