40505242

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{839}}^1$

素因数の和:1181

約数の個数: 16

約数和(自身を含む): 61689600

約数和(自身を除く): 21184358

約数列:

[1, 2, 101, 202, 239, 478, 839, 1678, 24139, 48278, 84739, 169478, 200521, 401042, 20252621, 40505242]

約数ペア:

[(1, 40505242), (2, 20252621), (101, 401042), (202, 200521), (239, 169478), (478, 84739), (839, 48278), (1678, 24139)]