64149140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2887}}^1$

素因数の和:3008

約数の個数: 48

約数和(自身を含む): 148466304

約数和(自身を除く): 84317164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 2887, 4444, 5555, 5774, 11110, 11548, 14435, 22220, 28870, 31757, 57740, 63514, 127028, 158785, 291587, 317570, 583174, 635140, 1166348, 1457935, 2915870, 3207457, 5831740, 6414914, 12829828, 16037285, 32074570, 64149140]

約数ペア:

[(1, 64149140), (2, 32074570), (4, 16037285), (5, 12829828), (10, 6414914), (11, 5831740), (20, 3207457), (22, 2915870), (44, 1457935), (55, 1166348), (101, 635140), (110, 583174), (202, 317570), (220, 291587), (404, 158785), (505, 127028), (1010, 63514), (1111, 57740), (2020, 31757), (2222, 28870), (2887, 22220), (4444, 14435), (5555, 11548), (5774, 11110)]