28125860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{200899}}^1$

素因数の和:200915

約数の個数: 24

約数和(自身を含む): 67502400

約数和(自身を除く): 39376540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 200899, 401798, 803596, 1004495, 1406293, 2008990, 2812586, 4017980, 5625172, 7031465, 14062930, 28125860]

約数ペア:

[(1, 28125860), (2, 14062930), (4, 7031465), (5, 5625172), (7, 4017980), (10, 2812586), (14, 2008990), (20, 1406293), (28, 1004495), (35, 803596), (70, 401798), (140, 200899)]