202427780

素因数分解:

$2^2\times 5^1\times {\mathrm{2143}}^1\times {\mathrm{4723}}^1$

素因数の和:6875

約数の個数: 24

約数和(自身を含む): 425386752

約数和(自身を除く): 222958972

約数列:

[1, 2, 4, 5, 10, 20, 2143, 4286, 4723, 8572, 9446, 10715, 18892, 21430, 23615, 42860, 47230, 94460, 10121389, 20242778, 40485556, 50606945, 101213890, 202427780]

約数ペア:

[(1, 202427780), (2, 101213890), (4, 50606945), (5, 40485556), (10, 20242778), (20, 10121389), (2143, 94460), (4286, 47230), (4723, 42860), (8572, 23615), (9446, 21430), (10715, 18892)]