57971980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2609}}^1$

素因数の和:2730

約数の個数: 48

約数和(自身を含む): 134174880

約数和(自身を除く): 76202900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 2609, 4444, 5218, 5555, 10436, 11110, 13045, 22220, 26090, 28699, 52180, 57398, 114796, 143495, 263509, 286990, 527018, 573980, 1054036, 1317545, 2635090, 2898599, 5270180, 5797198, 11594396, 14492995, 28985990, 57971980]

約数ペア:

[(1, 57971980), (2, 28985990), (4, 14492995), (5, 11594396), (10, 5797198), (11, 5270180), (20, 2898599), (22, 2635090), (44, 1317545), (55, 1054036), (101, 573980), (110, 527018), (202, 286990), (220, 263509), (404, 143495), (505, 114796), (1010, 57398), (1111, 52180), (2020, 28699), (2222, 26090), (2609, 22220), (4444, 13045), (5218, 11110), (5555, 10436)]