10821140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 25087104

約数和(自身を除く): 14265964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 487, 505, 974, 1010, 1111, 1948, 2020, 2222, 2435, 4444, 4870, 5357, 5555, 9740, 10714, 11110, 21428, 22220, 26785, 49187, 53570, 98374, 107140, 196748, 245935, 491870, 541057, 983740, 1082114, 2164228, 2705285, 5410570, 10821140]

約数ペア:

[(1, 10821140), (2, 5410570), (4, 2705285), (5, 2164228), (10, 1082114), (11, 983740), (20, 541057), (22, 491870), (44, 245935), (55, 196748), (101, 107140), (110, 98374), (202, 53570), (220, 49187), (404, 26785), (487, 22220), (505, 21428), (974, 11110), (1010, 10714), (1111, 9740), (1948, 5555), (2020, 5357), (2222, 4870), (2435, 4444)]