38431780

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{7477}}^1$

素因数の和:7743

約数の個数: 24

約数和(自身を含む): 81031608

約数和(自身を除く): 42599828

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 7477, 14954, 29908, 37385, 74770, 149540, 1921589, 3843178, 7686356, 9607945, 19215890, 38431780]

約数ペア:

[(1, 38431780), (2, 19215890), (4, 9607945), (5, 7686356), (10, 3843178), (20, 1921589), (257, 149540), (514, 74770), (1028, 37385), (1285, 29908), (2570, 14954), (5140, 7477)]