5140900

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:624

約数の個数: 36

約数和(自身を含む): 11288340

約数和(自身を除く): 6147440

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 509, 1010, 1018, 2020, 2036, 2525, 2545, 5050, 5090, 10100, 10180, 12725, 25450, 50900, 51409, 102818, 205636, 257045, 514090, 1028180, 1285225, 2570450, 5140900]

約数ペア:

[(1, 5140900), (2, 2570450), (4, 1285225), (5, 1028180), (10, 514090), (20, 257045), (25, 205636), (50, 102818), (100, 51409), (101, 50900), (202, 25450), (404, 12725), (505, 10180), (509, 10100), (1010, 5090), (1018, 5050), (2020, 2545), (2036, 2525)]